Use this article to bypass the editing warnings you may be receiving on a Mac computer.
The prompt you may have received is: "Your account XXX@otc.edu doesn't allow editing on a Mac."
Instructions:
Sign out of Office by clicking Word/Excel/whichever Office app you have open, and clicking Sign Out:
Open a web browser and go to My Account (microsoft.com) and log in with your OTC email address and password.
Select the device name that represents your Mac device and click Disable lost device.
Return to Office and Sign In. Enter your OTC email address and password if prompted.