Go to another drive (external drive is preferred) and create a new folder on it.
Find and copy the certain PPT file by pressing Ctrl + C.
Open the drive and the folder that saves the PowerPoint file in question.
If it does, you should follow the steps mentioned below to repair Power Point file. Read More Repair PowerPoint File in 5 Waysīefore you taking any measures to repair PPT files, you should check them on another computer to see whether the problem persists.