How to Fix "Excel Cannot Open The File Because The File Format or File Extension is Not Valid" Error

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Are you getting an error message "Excel cannot open the file filename.xlsx because the file format or file extension is not valid"?
Well, there is nothing to worry about.
In this video, we will learn how to fix the "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" Error.
This error usually occurs when you open an older version of an Excel file in a newer version or it can occur due to corruption in the Excel File.
Here Are 4 Methods to Fix This Error!
1. Change the File Format to .xlsx
2. Open and Repair
3. Edit Excel File Permissions
4. Repair Excel File Using Stellar Repair for Excel
Stellar Repair for Excel is a professional Excel Repair Tool that can quickly and easily repair Excel files. Whether the corruption is caused by a system crash, software issue, or other errors, Stellar Repair for Excel can help you get your data back.
Time Stamp
- 00:01 Introduction
- 00:22 Quick Fix for the Error
- 00:45 Step-by-Step Solutions
- 01:07 Advanced Fix for the Error
- 01:30 Stellar Repair for Excel Demo
- 01:52 Using Stellar Repair
- 02:11 One-Click Repair
- 02:31 Confirming and Saving
Download Stellar Repair for Excel-
www.stellarinfo.com/repair-ex...
Related Article-
Excel Cannot Open the File Because the Extension Is Not Valid
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#microsoftexcel #exceltutorial #exceltips #exceltricks #exceltipsandtricks #exceltroubleshootingtips #corruption #datarecovery #error #exceltraining #microsoftexceltutorial #microsoftexceltips #dataintegrity #howto

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Life Saver Video.

[@stellardatarecovery]

We hope it helped you!

[@jakeanderson5]

The tool worked for me!

[@Vicki-marieWard-fe3uw]

Number 2 worked !! Thank you !

[@anupriya4535]

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[@khyatipatni]

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the application is giving me "file is severely damaged" what do i do

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the application sys "file is severely damaged" what is the next step?

[@user-ol7ll4qw5w]

not worked

[@stellardatarecovery]

Hi,
Did the software not work for you?