Recover a corrupted workbook manually when Excel can't start File Recovery mode automatically and learn about saving backup and recovery files to prevent losing your work.

Select the Microsoft 365 or Office product you want to repair and select Modify. Note: This will repair the entire Office suite even if it's just one application you want to repair such as Word or Excel. If you …

When you open a workbook that has been corrupted, Excel automatically starts File Recovery mode and attempts to reopen and simultaneously repair the workbook.

Open and repair a document after getting a file corruption error, and see how to prevent file corruption in the future.

Excel check troubleshooter Use the Excel check troubleshooter to resolve Excel for Windows startup, hang, or crash issues. Select the button below to start the Excel check troubleshooter.

Wenn eine Microsoft 365 Anwendung wie Word oder Excel nicht ordnungsgemäß funktioniert, wird das Problem manchmal durch einen Neustart behoben. Wenn dies nicht funktioniert, können Sie …

This article discusses troubleshooting steps that can help resolve the most common issues when you receive an Excel not responding error, Excel hangs or freezes when you launch it, or open an Excel …

How to run the various troubleshooters within the Windows Get Help app.

如果 Word 或 Excel 等 Microsoft 365 應用程式無法正常運作，有時候重新啟動會修正問題。 如果還是沒有用，您可以嘗試修復。 完成後，您可能需要重新啟動電腦。

Select Programs > Programs and Features. Right-click the program you want to fix and select Repair, or if that’s not available, select Change. Then follow the directions on the screen. For more tips, see …