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An issue with a file name extension might occur when a workbook that you are trying to open is unreadable and the contents no longer resemble the expected file format. If a workbook has become corrupted, you can try to repair it before you open it.
1 Φεβ 2024 · Rename the file extension to match the format of the file, such as .xlsx or .xls: Right-click on the Excel file then go to properties > General tab > Rename the file extension. Repair your Excel file: Repair a corrupted workbook - Microsoft Support. Change Trust Center settings: 1) Open any Office program and click on "File" in the top left corner.
22 Ιαν 2023 · Open your Excel application and then tap the “File” tab. Hit the “Export” option from the list of menus and select the “Change File Type” option. Step 2. Change files extension to some other file format that is well supported by Excel.
7 Ιουν 2024 · Excel cannot open the file "xxx.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 have to try all methods which is shared by communities and blogs but can't revolve.
When Microsoft Excel detects a corrupted workbook upon opening, it automatically starts File Recovery mode and attempts to repair the workbook. If File Recovery mode doesn’t start, try using this manual process to recover your workbook: Click File > Open. Click the location and folder that contains the corrupted workbook.
19 Ιουν 2021 · A common error message that usually occurs when someone tries to open an Excel file in Windows is Excel cannot open the file because the file format or extension is not valid. Make sure the file...
21 Οκτ 2022 · How to Fix the “Excel Cannot Open the File Because the File Format or File Extension is Not Valid” Issue? Although the issue can cause quite the panic, the workarounds are actually pretty simple! The solutions include changing the file compatibility to repairing corrupt Excel files.
