presentation file not working

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1. How To Fix PPT PowerPoint File is not Opening in Windows 10 PC

   

2. How to Fix An Error Occurred While PowerPoint Was Saving the File?

   

3. FIX: The Presentation Cannot be Opened in PowerPoint (Solved

   

4. Cannot open powerpoint file on powerpoint for mac repair file

   

5. Исправить ошибку PowerPoint, не сохраняющую файл

   

6. How to Fix PowerPoint File Not Opening