This error pops up when opening a Word, Excel, Powerpoint file on a Mac

Solution: 

- The resolution is to follow the link below and go into the Tools of each application go to Tools - (Application) Add ins - Uncheck the addin in each program.  Close the Application then try and open a file depending on which document that you are trying to open

https://apple.stackexchange.com/questions/407353/how-to-fix-run-time-error-53-every-time-i-open-a-document-in-word-or-a-worksheet