Microsoft 365 and Office | Microsoft 365 Defender | For home | Windows
An integrated threat protection solution designed to detect, investigate, and respond to cyber threats across Microsoft 365 services.
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Hello Safa,
The message you are seeing indicates that PowerPoint has detected an issue with the file content. Please try the following steps to resolve the problem:
Click “Repair” in the dialog box to allow PowerPoint to attempt an automatic fix.
If that does not work, start PowerPoint in Safe Mode by holding Ctrl while launching the application, then try opening the file again.
Use the Open and Repair feature: go to File > Open > Browse, select your file, click the arrow next to Open, and choose Open and Repair.
Upload the file to OneDrive and open it in PowerPoint Online, as the web version can sometimes recover damaged files more effectively.
If repair fails, create a new presentation and use Insert > Slides from File to import slides from the damaged file.
If the file originated from SharePoint, download a fresh copy or try opening it on another device.