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Excel cannot open the file 'file.xlsx' because the file format

Q: Excel cannot open the file 'file.xlsx' because the file format

Every now and then, when I try opening an Excel file, I get a message saying that "Excel cannot open the file 'file.xlsx' because the file format or the file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file.

RELEVANCY SCORE 200
Preferred Solution: Excel cannot open the file 'file.xlsx' because the file format

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A: Excel cannot open the file 'file.xlsx' because the file format

Older versions of Microsoft Office can't open the newer office formats,try updating and installing Microsofts file format converters. http://www.microsoft.com/en-gb/download/details.aspx?id=3

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RELEVANCY SCORE 128

Is there a way to convert *.xlsx format to *.xls format without having MS office 2010.
I use MS office 2003 at home but they have upgraded to office 2010 at work.
I forgot to convert a file at work for home so is there a program that will convert
an excel spread sheet to office 2003 format?

Thank you,
 

A:Converting excel file formats *.xlsx to *.xls format

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RELEVANCY SCORE 125.6

Hi! 
 
Good day!
 
May I ask another way how to resolve my file problem,
 
"excel cannot open the file <filename>.xlsx because the file format or file extension is not valid. verify that the file has not been corrupted and that the file extension matches the format of the file."
 
I already try the "Open and Repair" method of MS Excel 2007 and still cannot open the file.
I cannot change the extension by renaming it. (I'm using Win7)
I already checked the associated file extension on control panel.
Thank you in advance!

A:EXCEL CANNOT OPEN .xlsx FILE

What version of Excel do you have?  Usually that error comes from Excel 2002.  You can upgrade to 2003 (MS Office 2003) at Amazon for $50 or less, and then download the free 'fileconverters.exe' from Microsoft, which enables an older MS Office to read the later files.
 
I know this, because it happens to me all the time, what happened to you.  So finally I took the plunge and upgraded to MS Office 2003, on all my machines.
 
The upgrade will accept all your customizations, macros, etc. so the interface looks the same, post upgrade, because it will import all your Normal.dot settings.  Difference is, that 'fileconverters.exe' will work in 2003, but not 2002.
 
.xlsx is Excel 2007 and later (secure, the extra 'x') format.  So I don't see how you'd get that error if you're really using 2007.  The only other possibility, is that someone password protected it, yet somehow you're not getting the password prompt.
 
I guess it's also possible that the file was generated by some other later version of MS Office which prohibits 2007 from reading it, but I can't see why.  This is just a very wild guess.

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RELEVANCY SCORE 124

Hi ..
 
I have a good quality of .png format image files of a nicely laid out table image. I used .png because of the higher, to me, image quality.
 
Wearing out Bing/Google searches has given me many suggestions of online converts to free/trial applications with all very inconsistent quality results, i.e.: not worth the effort .  I tested converting the .png to .pdf image and .jpg image files to accommodate testing a wider breadth of programs with same inconsistent, i.e.: useless results.  I have some 80-120 image files I'd like to convert.
 
Cost is always a consideration, but I did not go into this without thinking I might need to purchase a converter/OCR to .xlsx package. I cannot seem to find one that says it works. I DO except the ability to trial/test anything before purchase.
 
Ideas? Suggestions?
 
Thank you in advance for your consideration.
 
Let me know.
 
John

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RELEVANCY SCORE 122.8

I have several excel files stored on my system. I used these files from the same computer daily. Yesterday, when i tried to open several files in Excel 2007 then i found following error on my co,puter screen: "Excel connot open file (filename) xlsx because the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file" How fix it?

A:Excel connot open file (filename) xlsx

Hi dengeorge6 welcome to Windows Seven Forums.

You can have problems trying to open earlier Excel version files in Excel 2007.
These MS websites might help you.

How to open new file formats in earlier versions of Microsoft Office

Unable to open xlsx in Excel 2007 - Microsoft Community

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RELEVANCY SCORE 121.6

I have tried to download an Excel (.xls extension) from a web site I use. On download I get a file with a .xlsx extension which will not open in Windows Office 2010. I successfully downloaded the file using Chromodo so I assume there is something corrupting the download via windows 10 Microsoft browser?

A:downloading excel file changes file extension to .xlsx

Originally Posted by bcubed


I have tried to download an Excel (.xls extension) from a web site I use. On download I get a file with a .xlsx extension which will not open in Windows Office 2010. I successfully downloaded the file using Chromodo so I assume there is something corrupting the download via windows 10 Microsoft browser?



Hi there
on the download is there a SAVE AS option -- that might work if you change the default to .xls

Otherwise I think there are some xlsx viewers where you could view the file or change it to xls. (Note changing to xls will possibly remove some formatting etc).

Cheers
jimbo

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RELEVANCY SCORE 115.2

I have been using this same Excel file for many years. I viewed on my new home laptop 2 days ago, using a 2010 Excel Version. It was created on 2007.

I opened it on my work computer, version 2003, and now get the above error message on both machines. The file can no longer be opened.

I have tried emailing it, still won't open.

I have chenged the file type to both .xls and .xlxs neither open.

I downloaded the program on the home page of this site, and it said no file issues, no known problems for this file.

When I click Open File, it still shows where I had the file opened (the file name in lighter gray font - but cannot open.) The original file is in black, and I can open. But, get that message.

I also tried to open and fix - and I tried both options, with formulas, and without formulas, and all it opened was foreign characters.

Any other suggestions? Or is this file gone? Unfortunately, my most recent back up is 3-4 months old...

Thank you for your help,
 

A:Excel File now says File Format or File Extension is not valid...

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RELEVANCY SCORE 114.8

Hi,

After a power outage a particularly important file gets the error "Excel cannot open the file.xlsx beacause the file format or file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file. The file format has not changed. Is there a safe free program that can uncorrupt a file? I have tried Open and repair, changing the format, and using open office. Also tried using recova but the file was not lost.
 

A:Solved: Excel 2007 spreadsheet gets error "Excel cannot open the file .xlsx.." How ca

https://support.microsoft.com/en-us/kb/820741

and 5 ways are shown here http://www.wikihow.com/Recover-a-Corrupt-Excel-File
 

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re-sending this message (4th time). As 1st time user of this web site, just
realized I've been entering wrong info for "Title"....sooooo...sending again..

System: Windows 98 4.10
Excel version 7.0

Problem: getting error message when try to open 2 Excel files...2 other ones
open just fine! Never had this problem before!!
ALSO....when click on Help on tool bar in Excel, same thing...
can't open the selections in the drop-down box!!

ERROR MESSAGE: bill list.xls: file format is not valid
PLEASE HELP!! What has changed OR what have I done to cause this to
happen all of a sudden??
THANK YOU!!
 

A:Excel file won't open.."file format not valid"

Hi

I replied to your original posting on this.

It sounds like the file is corrupt.
 

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RELEVANCY SCORE 108.8

Than I can more effectively recover xlsx file? Need to recover more data from corrupted xlsx files than auto restoration feature in Microsoft Excel can. A standard feature of data recovery restores only from the last automatic backup, but requires more advanced features for the recovery of xlsx file. 

A:Excel xlsx file

Can I somehow solve this problem?

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RELEVANCY SCORE 108

Hello all, first time I`ve ever posted on a forum looking for help, also the first time I`ve not been able to work out a problem with Google .
Very stupidly, and possibly the first time it`s ever been done but;

I went into the properties of a xlsx file (because it wouldn`t open and afterwards realised I hadn`t installed excel with my fresh word 2010 install). Now this file is in .exe format and I can`t for the life of me work out how to change it back.
-The method I used to change it to .exe isn`t available whilst it`s a .exe file.
-I don`t have a back up of the original and no restore point to work with.
-I now have excel installed.

Anyone have a idea if it`s possible to convert back to .xlsx or anyway of retrieving the info in the file?

This one really has me stumped so appreciate some help.
Thanks, 74ninja

A:accidentally converted a .xlsx file into .exe format, how can i undo?

Hello 74ninja and welcome to Seven Forums.

See if this works:

1. Make sure that you have file extensions showing (they're usually hidden by default)

File Extensions - Hide or Show

2. Right-click the file > click rename > erase the .exe > type .xlsx (important to erase the dot as well as exe, then type in the dot and xlsx)

Or, from an elevated command prompt:

Elevated Command Prompt

Type in: move yourfile.exe yourfile.xlsx (Unless the file already exists you should receive an [ok] message indicating that the file has been renamed.)

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RELEVANCY SCORE 107.6

Hi guys!I decided to clean up my D drive and formatted it. Now I understand that it was a big mistake! But I still was lucky to recover most files with Power Data Recovery utility. Basically, all the files work fine, but some Excel files probably somehow damaged and cannot be opened. Is there a possibility to recover them? Thanks! 

A:Excel xls or xlsx file after recovery

@VitorSoares Hello;Allow me to welcome you to the HP forums! Most likely, the answer is no.  Files are linked blocks of data and if one or more of those blocks gets overwritten, the complete file can never be recovered. IF you're willing to spend some money, you could try using [email protected] Recovery Pro -- as I have found it to do the best job of recovering files.  But ... there is no guarantee that it will work.Good Luck

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RELEVANCY SCORE 107.6

How to open the damaged. XLSX file 2013? The Microsoft Excel "Open and Restore" function doesn't help.

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RELEVANCY SCORE 107.6

How to open the damaged. XLSX file 2013? The Microsoft Excel "Open and Restore" function doesn't help.

A:Excel xlsx file 2013

Hi, and welcome to TSF.

Try the solutions on this page; https://support.office.com/en-gb/art...a-801ddcd4ea53

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RELEVANCY SCORE 106.8

I cannot open .xlsx file.

I have the Microsoft Compatibility Pack installed.

I am using Microsoft Office XP Professional

Thanks
JamesEB
 

A:I cannot open .xlsx file.

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RELEVANCY SCORE 106.8

How do I open an XLSX file?
I've never heard of that format before; I click on it and the message comes up- "Cannot open. Windows needs to know which program created it", but I haven't a clue.

A:How do I open an XLSX file?

XLSX files are Microsoft Office Excel 2007 or newer files. If you are using an earlier version of Microsoft Office, you will need to download and install the Office 2007 Compatibility Pack.

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RELEVANCY SCORE 106.4

Hi Expert
I formated my D drive but I have done by mistake. So I recover all data using Power Data Recovery  many file working ok but some Excel file corrupted and unable to open. How can I fix it?
Thanks!

A:Fix corrupted Excel xls or xlsx file after recovery

First try File | Open ... browse for the file, then click the dropdown triangle on the Open button and choose Open and Repair.  If it prompts, the "Repair" options is better, but if it fails, try again, choosing "Extract".
Then, check the size of the recovered file.  Is it likely all your data is included?  if so, you can try to access the data from the file without opening it by creating an external reference.  In cell A1 of a blank workbook, type a reference to the A1 cell of the corrupted workbook, following this format:
='C:\Folder\Path\[FileName.xlsx]SheeName'!A1
Beyond that, what is the file format?  There may be more options.  Lots of help here: https://community.office365.com/en-us/f/172/t/256362
 
 

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RELEVANCY SCORE 105.2

Hi Members,

when I open any XLS or XLSX file after few seconds or after doing any activity in any xls/xlsx file, Excel 2013 crashes (Office 2013 is updated to latest). There are no third party plugins enabled in Office 2013.

Note: I don't have any issues with Word 2013 or PowerPoint 2013.

My operating system is Windows 7 Ultimate with SP1 (64 bit)

Below mentioned software's are installed and with real-time enabled...
ESET NOD32 Antivirus 6.0.308.0 (64 bit)
Malwarebytes Anti-Malware 1.70
WinPatrol
Zemana AntiLogger
System Explorer 4.0
Stick Password 6.0
Hard Disk Sentinel 4.30
Application Error from Event Log
Faulting application name: EXCEL.EXE, version: 15.0.4454.1503, time stamp: 0x50b592fe
Faulting module name: EXCEL.EXE, version: 15.0.4454.1503, time stamp: 0x50b592fe
Exception code: 0xc0000005
Fault offset: 0x0127b52e
Faulting process id: 0x3e0
Faulting application start time: 0x01ce11ca85e9d41f
Faulting application path: C:\Program Files (x86)\Microsoft Office\Office15\EXCEL.EXE
Faulting module path: C:\Program Files (x86)\Microsoft Office\Office15\EXCEL.EXE
Report Id: d1ff267b-7dbd-11e2-95be-50465db76fa6

Application Log Error message


I don't know what is causing Excel 2013 to crash. Requesting members to help me fix this issue.

Thanks and Regards
Rafales

A:Excel 2013 crashes after opening and using any xls/xlsx file

Hi Rafales,

Please try start 'Excel' in 'Safe Mode' and check if it works. To start it in 'Safe mode automatically', click this link: http://go.microsoft.com/?linkid=9668693
- Click 'Run' in the 'File Download dialog box', and follow the steps in the 'Microsoft Fix it wizard'

If 'Excel' still does not work as expected, a conflict with another program is likely. Try to restart 'Windows' in 'Safe mode', and perform the previous steps again to run 'Excel in Safe mode'; and check results.

Do reply with the findings; will take it forward from there.

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RELEVANCY SCORE 105.2

Hello guys,

Yes I know it is a silly question, but what is the syntax for removing the read-only attribute of an Excel file, say abcd.xlsx file?
The address of the example is, c:\documents\spreadsheets\abcd.xlsx.

Any help will be much appreciated.

Regards,
Flores

A:How to remove the read-only attribute from an Excel .xlsx file?

Right click on the file then choose "properties" in the window that opens and then uncheck the "read only" box at the bottom of the window.
BTW there is no such thing as a silly question but there are plenty of silly answers

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RELEVANCY SCORE 104.4

I am currently using microsoft xp with office 2003 installed. I downloaded the office compatibility pack and i am able to open all office 2007 documents under my administrator account. When i log off and log on as a limited user i can open all office 2007 documents except excel.

Whenever i try to open an .xlsx document it gives me an error stating that this file is not recognizable. i have tried uninstalling and re-installing the compatibility pack and get the same results. My administrator account goes thru the conversion process and everything can be read just fine, but the limited user account receives the error.

Thank you,
Mussels

A:Cannot open .xlsx file with compatibility pack

I was assisted on another forum with a temp. fix. If i change the .xlsx file to open with microsoft open xml converter the file opens just fine under all users. It doesnt explain to me why the file opens normally under admin and not other users, but it will allow you to view the excel file without errors.

Thanks,
Mussels

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RELEVANCY SCORE 104

Hi

Ive been searching the net for help with this and i just cant find what im looking for.

Im still new at excel macro's so still learning everyday.

I need help to wright a macro that will search in a folder for a file with a specific keyword that can be in the file name.

example: lets say i want to open a file that is in a folder that has "leadership" in the files name.
Because i send the file to people called "leadership.xls" and i recieve files back called "copyofleadership.xls" and different other names but there will always be leadership in the file name.

Can anyone please help me with this.

Thanks
bill6432
 

A:Excel macro to open a file in a folder with a specific keyword in the file names

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RELEVANCY SCORE 102

hi,
I have installed Office 2007 pro in my system.But i m unable to open xlsx file. I updated it with service pack 2 and also reinsall too but still having same problem. one this i would lik to mention is that i can open .xlsx manual lik---open New excel ---click on Ribbon button----open---and i give path to that .xlsx file and yes this way i can open these file. but cant open by double clicking on it.(no any error msg also) i also tried these files on another Pc, it works.

Please Help.
 

A:Solved: Unable to open xlsx file in office 2007

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RELEVANCY SCORE 100.4

Hi, I have created a excel file few months ago to prepare my tour planning. But now when i tried to open it, it cannot be opened with the error "Tour Plan.xls : File format is not valid".

I had online search for solutions but it does not work. I really do hope someone proffesional can help me to recover the excel file. Attached is the zip file consists of the excel file.

Thanks and appreciate your friendly help a lot.
 

A:Need help on excel file recovery - "Tour Plan.xls : File format is not valid".

I tried to repair the file but it did not work. In my experience only a very small percentage of corrupt files can be recovered.

Rollin
 

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RELEVANCY SCORE 99.6

I've tried quite a few free softwares on the net and also tried the recommended methods to try and open my excel file, but it just wouldn't open! :'(

I've attached the file so can someone please please please help me out?

Thanks in advance!!!!
 

A:Excel error: "File format or file extension is not valid..."

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RELEVANCY SCORE 96.4

I am having a goofy problem with .doc and .xls files. If I attempt to open them from either Windows Explorer or My computer, I get the "This file is already open" error but then you can then change the file and save it.
However, I can then execute the application and open the file from within the app, it works fine and doesn't give the error.
Any help would be appreciated. I have found traces of this error on the internet but have not found any satisfactory solutions to it. Thanks

A:"File Already Open" when Word or Excel file opened with WinExplorer or My Comp

Have you tried closing word then clicking start/run and typing

winword /regserver

Type this one for excel.

excel /regserver

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RELEVANCY SCORE 94.8

God bless you, I am not a computer person please help me to fix the problem I have.
Every time I open a word, power point and note pad program another file is opens with that (with a infinity sign in the front with the same extension ) is that a thread or how can I stop this

thank you
R.Gnanavannan

Please someone help me

A:when open a word file or pwrpnt file another file is opens

Welcome to the Seven Forums.

I saw your post right after you made it but I did not post a reply because:
1) Real life got in the way
2) I'm not sure that I understand your issue.
I'm not picking at your English, but this is important:

Your post mentioned, "another file is opens with that".

I'm guessing that you meant:
...another file is opened with that
or
...another file opens with that

Either way, the word open is really important to the description of your problem.

Let's just talk about Word for now.

When you open a Word, one or more temporary files may be created. This is normal and desired; but those temp file(s) should not automatically open in Word.

Please try this:
Close all copies of Word.
Open Windows (file) Explorer.
Double click on an existing Word document.

How many windows do you have open for the Word program?
(Hopefully, just one.)

How many files do you have open in the Word program?
(Hopefully, just one.)

Are you seeing this file that bothers when you look at Word or when you look at Windows (file) Explorer?

Please show us what you see and where you see it.
Here is a link with instructions about posting screenshots to this forum:
Screenshots and Files - Upload and Post in Seven Forums

Your post mentioned, "(with a infinity sign in the front with the same extension )"
The temporary file(s) that Word might create should start with a Tilde character and then the dollar sign (~$), not the symbol for infinity. And Notepad s... Read more

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RELEVANCY SCORE 91.6

I would like to know if there is a way to open a file in a program. Basically I want something like this (this is totally wrong):

open "C:Users\*My name*\My Documents\run.swf" in "C:\Program Files (x86)\Mozilla Firefox\firefox.exe

Thanks
 

A:Create a batch file to open a certain file in a certain file

The more standard way to do that is to use the start cmd. You call the program first and the file name second.

start "" "c:\windows\notepad.exe" "c:\somepath\logfile.txt"
 

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RELEVANCY SCORE 90.4

Hi there,

I am trying to use SQL.REQUEST to pull data from one excel file (a master data file) to another one, and I can't get it to work. I think I don't have the correct connection string specified.

I'm using Excel 2002 on Windows 2000.

The task is, I need to build dynamic queries based on other cells in the "output" spreadsheet, such as, get a count of all records in the master file where the date field is equal to [cell reference] and the ID field is equal to [another cell reference] and a third field is equal to [third cell reference]...
So that, if the values in those referenced cells change, the records that match (and get counted up) will be different.
Also, there will be at least 10 different queries (I do a sum on a field that is a time duration, an average on that same field in another, etc) in different places on the spreadsheet.

I was able to get a simple query to work in Microsoft Query if I used static values, ie, I typed them directly into the criteria... however, these need to by dynamic so that when the same spreadsheet (a report template) is "saved-as" and new values for the criteria are input, the queries don't have to be re-created.

So, using MS Query, I can connect to the master data file and get the correct result... but I believe what I really need to use is SQL.REQUEST, so I downloaded the ODBC add-in and installed that.
I just can't seem to figure out what my connection string argument needs to be.
Th... Read more

A:Solved: sql request in excel file, to another excel file - connection string?

Nevermind folks - I googled +excel +"connection string" for probably the 20th time in 4 days... I usually investigate all result about 7 pages deep before giving up, and this morning, all of a sudden a new result popped up right at the top:
http://www.connectionstrings.com/excel

at about the same time, my boyfriend finally took a look at it, and he came up with this result: http://www.devlist.com/ConnectionStringsPage.aspx

I used the syntax in this example
Code:
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\MyExcel.xls;Extended Properties="Excel 8.0;HDR=Yes;IMEX=1";
AND IT WORKS!
(I almost got up and danced, I was so happy)

Just thought I'd come back and post the solution, in case anyone else ends up finding this thread in the same position I was in.

Now how do I mark this thing solved?
 

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RELEVANCY SCORE 90.4

I have two shared workbooks on a novell fileserver. 2 differnet users accessed these two files each running Excel 97. A third person began accessing and modifying the files a few days ago. Since then the two files have become corrupted twice. I have looked at the 3rd person as a suspect but see nothing different about their configs. What could continually cause a workbook to become corrupt?
 

A:Excel file format invalid

I have found that many users can still open these files using Word and I still get this niggling little feeling that for some reason they're saved from Word because mailmerging is often involved. If you can open them using Word, click inside the table that is created, hit Table-Select table, copy, and paste back into Excel. Formatting and formulas are lost.

Sorry, no answer as to the cause--just know it happens all the time. (I think it has something to do with the permissions/releasing of the file on the server.)
------------------
~dreamboat~
Brainbench MVP for Microsoft Word
Brainbench
 

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RELEVANCY SCORE 90.4

I am having trouble opening some Excel attachments within emails received. I have Windows 95. When attempting to open it, an error message says, "whatever the file name.xls: file format is not valid". Any help would be appreciated. Thanks very much.
 

A:Excel 95 file format error

Hi,
Are the files sent to you as a routed workbook?

If yes, this article describes the symptoms: http://support.microsoft.com/support/kb/articles/Q211/9/19.ASP

Or are you using a version prior to Excel 97 (you mention Excel 95, which is Excel 7.0) to open Excel 97 or Excel 2000 files? (http://support.microsoft.com/support/kb/articles/Q170/3/11.ASP).

Excel is only upwards compatible (meaning you can open files of an earlier version, but not of a later version).

------------------
Calacuccia
 

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RELEVANCY SCORE 90.4

I have Windows Vista and Microsoft Excel 2007. Last Thursday ONE of my excel files suddenly would not open. It says File format not valid. I am not a computer geek so I have no clue what to do. I cannot lose this spreadsheet. It has all the phone calls we have made or taken in all year and we need to bill for them in our business. My boss will kill me. All other spreadsheets work fine. Went to Properties and it says OPEN WITH EXCEL, but it doesn't. HELP!
 

A:Excel File format not valid

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RELEVANCY SCORE 90.4

If the image files you're unable to open were obtained via download to a folder name that includes certain special characters (for example, the symbols seen in "&#12304;Pictures&#12305;") this creates a file path that, although acceptable to the operating system, is not recognized properly by IrfanView (or other apps), yielding the somewhat misleading "Can't Read File Header, Unknown file format" message (should really say "File Not Found"). Simple solution is to rename the download folder, or move the image files to another directory with a name that's recognized properly by IrfanView. Hope this helps some who are encountering this confusing error!
 

A:IrfanView: Can't Read File Header, Unknown file format

closing duplicate, please don't create duplicate entries for the same issue.

thanks,

v
 

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RELEVANCY SCORE 90.4

Hello to everyone,

I'm trying to boot again an old installation of windows 10 that has been damaged by the miray hdclone tool that has removed the partition table but not the files. Infact with the getdataback tool I've been able to recover every file. What I did has been to reformat the disk and to copy again the recovered windows 10 files on it. The partition scheme of the disk previously was GPT,but I converted it to MBR because if it was GPT I wasn't able to make it active. After this,I have restarted the PC with the windows 10 dvd inside and I have issued the following commands on the command prompt :

bootrec /fixmbr ok

bootrec /fixboot
=> access denied

bootsect /nt60 c:
ok

bootrec /fixboot
ok

bcdedit /export c:\bcd2
The store export operation has failed.
The system has attempted to load or restore a file into the registry, but the specified file is not in a registry file format.

I don't know how to fix this...
 

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RELEVANCY SCORE 90.4

Can it be done?

Some video files I have are not supported in WMP, or in WMM. I have a 3rd party media player that plays them, but it has limited editing capabilities.

If I pull the vid files through a file recovery utility, set to recover video files, in MPEG-2 format perhaps, will they recover into a format that's supported in Windows applications? Would there be quality loss of the vids in changing the format?
 

A:Solved: Change format of vid file with file recovery util?

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RELEVANCY SCORE 90.4

If the image files you're unable to open were obtained via download to a folder name that includes certain special characters (for example, the symbols seen in "&#12304;Pictures&#12305;") this creates a file path that, although acceptable to the operating system, is not recognized properly by IrfanView (or other apps), yielding the somewhat misleading "Can't Read File Header, Unknown file format" message (should really say "File Not Found"). Simple solution is to rename the download folder, or move the image files to another directory with a name that's recognized properly by IrfanView. Hope this helps some who are encountering this confusing error!
 

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RELEVANCY SCORE 89.6

Excel file previously able to open, now getting error "file format not valid" Cannot open with office 97 nor Xp. Any programs to recover if corrupted? Or any suggestions? Thank you.
 

A:Error: File Format Not Valid in Excel 97

Have you tried Detect & Repair (Help menu)?

If you know the sheet names, you can pull data (NOT formulas or formatting) from a closed wb with formulas, eg:

='C:\[statement.xls]Sheet1'!$A$1

HTH,
Andy
 

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RELEVANCY SCORE 89.6

Working with: Excel 2007, Windows XP

Yesterday, I opened file A. Today, I tried to open the same file and I got the following error message:

File A.xls: file format is not valid.
I then went online to look for help.
I did the following things (as far as I can remember - since I did many things).

1. copied original file to another folder and renamed file.
2. opened file with Word - no luck.
3. opened file with OpenOffice - no luck.
4. renamed file to zip file - no luck.
5. changed extension to xlsx - no luck.
6. created links to the "corrupt file" - no luck
7. opened file with wordpad - no luck
8. opened file with notepad - no luck
9. changed extension to html - no luck.
10. scanned computer for virus/malware - none
11. scanned file for virus/malware - none.
12. did a chkdsk/f - no virus
13. able to open other excel file so not excel problem
14. did a "open & repair" - manual repair on excel - no luck
15. changed formulas to manual calcuations - no luck
16. did a "open with...." Microsoft office excel - no luck
17. went thru tmp files but could not locate any files with same name
18. rebooted computer - no luck.
I can get some of the information.
Unfortunately I did not create a back up of this file that I access everyday.
This file has hyperlinks and a foreign language (Japanese).

I only thing that I did not do is change the regsitry - weary of doing this.

The only major difference between yesterday and today is the microsoft windows... Read more

A:Excel 2007-Win XP-file format is not valid

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RELEVANCY SCORE 89.6

A user is trying to open a file in excel and is getting this message, it hasn't been accessed in a while, is it possible to recover this file?
 

A:{RESOLVED} Excel- file format is not valid

Solved! , I've rather easily figured it out, within a matter of minutes of this post. The file musta been saved as .xls instead of .doc , just copied and renamed extension all is well , maybe this may help someone else
 

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RELEVANCY SCORE 89.6

Dear all,

I am using Windows XP with 2003 microsoft office system. I have created a excel file myself but I could not open it now which I can not afford to lost. Error says file format is not valid. Hope some of you could please help me. Thanks a lot in advance.
 

A:excel 2003 file format is not valid

Looking at the file in NotePad, that isn't an Excel file at all. It was created by SigmaPlot 9.0 Notebook , which is tied to Jandel Notebook Format.
There are sites that will recover such files for you, like this one (I have no experience using them, however.)
http://www.corruptedfilerepair.com/Recovery/Fix-Damaged-Sigma-Plot-Workbook-JNB.asp
 

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RELEVANCY SCORE 89.2

Hello everyone:

Please someone -- can anyone help -- I have noticed a problem on one of my computers, which uses Office 2007, that when i attempt to do anything on my virtual machine (which uses Office 2003) within excel, invariably the file gets corrupted. I am not sure why this happens, because it doesn't always happen right away. However, after creating a file on my VM and then it gets saved on my regular machine, either after a few sessions or immediately, i get the error "file format not valid". I have spent over two weeks on this file (yes, using it everyday and saving/opening with no problem up until yesterday) and it has a lot of critical, non-sensitive data. I have tried calling my helpdesk (they were of no help), tried saving the file as *.xlsx, tried opening in word and wordpad (I could see some data -- but not all the critical data was there). PLEASE -- I have already bought one of those Recovery tools (which didn't get even 50%, or at least the critical updates i made yesterday). I can't afford to spend more -- is there anyone who would be willing to help a lost soul get this data back??? I have attached the file
 

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RELEVANCY SCORE 89.2

Iuse winrar and need to know if there are any differences between the different compression formats ( zip, rar, tar) and if one of them is more robust than the rest?

A:Do you have a prefered file compression software or file format?

Hi,

.tar is Unix-based and natively doesn't compress data (it was originally designed for tape backups in the 70's). If you use TCShell, Bourne, Korn etc. in a Unix environment, then you can use the gzip command line argument to compress a modified version of the .tar format.

There is little difference between compression ratios for .rar (propreity format) and .zip (now public domain) formats - both are extremely robust and support AES encryption.

Personally, I prefer the .7z format used by 7ZIP - it provides custom compression ratios, and on very large files consistently achieves about 10% greater compression, albeit it at a slower speed (greater compression = slower speed).

I regularly use the command line version of 7ZIP within .BAT files to compress data before using ROBOCOPY to backup the .7z files.

Regards,
Golden

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RELEVANCY SCORE 89.2

Hello to everyone,

I'm trying to boot again an old installation of windows 10 that has been damaged by the miray hdclone tool that has removed the partition table but not the files. Infact with the getdataback tool I've been able to recover every file. What I did has been to reformat the disk and to copy again the recovered windows 10 files on it. The partition scheme of the disk previously was GPT,but I converted it to MBR because if it was GPT I wasn't able to make it active. After this,I have restarted the PC with the windows 10 dvd inside and I have issued the following commands on the command prompt :

bootrec /fixmbr ok

bootrec /fixboot
=> access denied

bootsect /nt60 c:
ok

bootrec /fixboot
ok

bcdedit /export c:\bcd2
The store export operation has failed.
The system has attempted to load or restore a file into the registry, but the specified file is not in a registry file format.

I don't know how to fix this...
 

A:System attempted load file in reg but file isn't in reg format

You can try
BOOTREC /RebuildBcd
It may take a while so be patient and let it complete.

I doubt it will help though, you will probably have to do a new install of Windows 10 then try to copy files from the backup drive.
 

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RELEVANCY SCORE 88.4

I have a user that created an excel file a week ago and placed it on a network share. she just tried opening it up again for the first time since she created it and she gets teh following error - filename.xls: file format is not valid. i tried a number of ways to open it but all failed. i copied it locally but that failed, too. i emailed it to my desk and i couldn't open it either. i searched microsoft's knowledgebase but it didn't show me anything that applied to the current situation. any ideas???? thx.
 

A:Excel 97 error message - file format is not valid

Open it with Word--that usually works. Then, click inside the table, hit Edit-Select table. Hit copy. Open new Excel spreadsheet. With A1 selected, hit paste. Format-Columns-Autofit. All should be okay. Except formulas!
 

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RELEVANCY SCORE 88.4

Is it possible to save formatting such as column width, row height, fonts, etc...? If so, is it also possible to insert data from another excel file using the copy and paste method without losing the format?

Example: File 1 has the formatting I want to use but the data needs replacing. File 2 has the data I need but not the formatting. Is it possible to copy the data from File 2 and paste it into File 1 without losing the formatting from File 1?

Thanks for any help!
 

A:Excel - copy data to file with desired format?

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RELEVANCY SCORE 88.4

When I import a Text file into Excel (through Data > Import External Data and go through the Wizard) the data comes across correctly in the right columns etc. - I'm ok doing that.

The numbers and/or currency in my data do not seem to "work" properly as when I try to do calucations (such as a simple autosum) the answer always comes back as 0.

I've tried re-formatting the data as numbers/currency but this doesn't help.

I've also tried multpiplying the numbers by 1 (using Paste Special) to get them to re-format but this doesn't help either.

Any suggestions?

Thanks!
 

A:Import Text file to Excel - number format

Hi there, welcome to the board!

They could possibly have leading and/or trailing spaces. A couple of ways to handle that. Download/install a free add-in called ASAP Utilities, which you can access from (assuming Excel 2003, which is what it sounds like) ASAP Utilities menu, Text, Delete leading and trailing spaces. The range must be selected first. Another way would be to write your own macro to do it. If you don't have ASAP I'd highly recommend it, as it gives you additional tools and resources not native to Excel, making your life in Excel much easier.

An easy way to check would be to use a blank cell (generally adjacent column) and enter the formula =LEN(A1), where A1 references the cell in question with your numbers. No doubt they're numbers stored as text. If you've done the paste special then there's nothing to force to numerics. The other way to do that would be to select everything and to Text to Columns (from Data menu), and just click the Finish button (not going through the Wizard), which will also force (coerce) numerics stored as text to numerics.

HTH
 

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RELEVANCY SCORE 88.4

Hi, when I try to open my excel file, I get the error 2010 calling list.xls:: file format is not valid. Does anyone have a program they can use to try and open my file. I'm assuming it was corrupted the last time I tried to save it.
 

A:file format is invalid error in Excel 2010

are you getting it in all excel files? Or only the one?

You can try downloading openoffice; I've used that to fix many MS Office corrupt files in the past, particularly .ppt files.
 

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