Microsoft KB Archive/224134

= XL2000: Error Message: File Format Is Not Valid =

Article ID: 224134

Article Last Modified on 12/2/2005

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APPLIES TO


 * Microsoft Excel 2000 Standard Edition

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This article was previously published under Q224134





ERROR MESSAGE
When you open a file in Microsoft Excel, the following error message appears:

File format is not valid.

NOTE: Microsoft Office 2000 has built-in functionality that allows you to get more information about difficult-to-troubleshoot alerts or error messages. If you want to enable this functionality for this and other error messages in Microsoft Office 2000, please download the Microsoft Office 2000 Customizable Alerts file from the Microsoft Office Update Web site at the following address:

http://www.microsoft.com/downloads/details.aspx?FamilyID=8FBEE1D3-C5BB-4A36-A2F7-DC63DE2A818C

NOTE: If you reached this article by clicking the Web Info button in an error message, you already have Customizable Alerts enabled.



Multiple Versions of Excel Installed
If you have more than one version of Excel installed on the same computer, refer to the following article in the Microsoft Knowledge Base for steps to solve your problem.

214388 XL2000: Running Multiple Versions of Microsoft Excel

Opening Routed Workbook in Email
If this error appears when you attempt to open a workbook that has been routed to you in e-mail from another Excel user, refer to the following article in the Microsoft Knowledge Base for steps to solve your problem.

211919 XL2000: "File Format Not Valid" Appears Opening Routed Workbook

Opening a Text File
If this error appears when you attempt to open a text file (.prn, .txt or .csv), refer to the following article in the Microsoft Knowledge Base for steps to solve your problem.

323626 XL: "SYLK: File Format Is Not Valid" Error Message When You Open File

Additional query words: XL2000

Keywords: kberrmsg kbdownload kbprb KB224134

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