Αποτελέσματα Αναζήτησης
When you open a file in Excel, you get an message that the file name extension doesn't match the actual file format. For example, the file has an .xlsx file name extension but it's really a text file and should have a .txt file name extension.
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. I am at work and having problems opening an excel file. I continue to get the error: 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.
19 Ιουν 2021 · Excel cannot open the file because the file format or extension is not valid. This error message is encountered in the following scenarios: The file has become corrupt or damaged. The file is not...
12 Αυγ 2023 · Troubleshooting Invalid File Issue. Let’s take each one of the above issues and find a solution you can put to the test! Updating File Extension. The most likely reason is that the file was saved in a format incompatible with your version of Excel. This is an easy fix and can be done by changing the file extension to .xlsx.
15 Ιαν 2021 · Here's a look at how to restore file associations if Excel won't open: In Windows 10: In the Windows Search Box, Search for 'Default apps'. Click on the 'Set defaults by app' option lower down in the list. Select Excel in your Default Programs list and click the 'Manage' button.
4 Ιουλ 2020 · Method 1 – Change the Default File Format to Save Excel Workbooks • In Excel 2007, click the ‘Microsoft Office’ button and then ‘Excel Options’. In Excel 2010 and higher versions, click File > Options.
