PowerPoint. Office 2013

hello everyone.

After upgrading my PC to Windows 10 i cannot extract the .pptx presentations with the help of PowerPoint 2013.
The error message: Unrecognized format file.

So i uninstalled it and reinstalled PowerPoint and same thing. What’s wrong? help

This problem occurs because the PowerPoint presentation is corrupted or has been damaged. To correct this problem, try to open the PowerPoint presentation in an earlier version of PowerPoint. As a result, the earlier versions of PowerPoint open the presentation, and you may experience unexpected behavior from the corruption or damage that is contained in the file. If you still getting the error i would sugesst you to recover PowerPoint file here https://www.repairtoolbox.com/powerpointrepair.html

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