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) Open any Office program and click on "File" in the top left corner.
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:
2 Μαΐ 2024 · In this comprehensive guide, we’ve outlined eight practical solutions to the common Excel error: “Excel cannot open the file because the file format or file extension is not valid.” It’s best to start by verifying your file’s integrity and format, then methodically try each solution one by one.
12 Αυγ 2023 · 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. You’ll want to access the File Explorer Developer Settings to update the appearance and set all files to show extensions.
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.
Workbooks are saved as Excel Workbooks (.xlsx) by default. You can change the default file format to any other file format that is supported in Excel. For example, if you frequently create macros in a workbook, you may want to automatically save a new workbook as an Excel Macro-Enabled Workbook (.xlsm).
