Sometimes when you try to open a PPT presentation in Mac, it either hangs with spinning wheel or does not open at all. This is a very common problem but fortunately you can find how to solve it below.
In summary, what you can try to do to solve this issue is:
- Check the hard disk name
- Move AutoRecovery files
- Rename PowerPoint preferences
- Create a New User Account
- Test saving the files in Safe Mode
Learn more about this issue in the Official Office KB link here.