MS Office - Opening Word/Excel/PowerPoint file shows file is corrupt or problem with content message

You may get a file corrupt message trying to open a file in Microsoft Office (365) Word, Office Excel or Microsoft Power Point

You may also see
"PowerPoint found a problem with content in 'file'. PowerPoint can attempt to repair the presentation. If you trust the source of the presentation, click Repair."

 And clicking Repair, will give message "Sorry, PowerPoint can't read 'file'"

Alternatively, you may also get a message "The operating system is not presently configured to run this application."

To Solve:

1. Check the file properties (Right click file and select Properties)
2. If you see the Option Unblock, check it and click Apply
3. Open again and see if the error goes away

If the error persist, we can use the Inbuilt Excel (or Word or PowerPoint) repair tool to try to fix

1. Open new instance of Excel (or Word or PowerPoint) - do not double click the file you need to fix
2. In the menu, select Open on left
3. Select Browse

4. Locate the file that need to be fixed and single click to select it
5. Click the down arrow next to the Open Button
6. Select "Open and Repair"

7.  Select Repair

 8. Click Close

9. Open the file again