When a Sync Error occurs after opening Microsoft Office 2016's OneNote application, follow the steps below to resolve the error.

1. Do not click Sign In.  From the OneNote menu, select OneNote->Sign In.
   
   
2. Sign in with your umd.edu account; click Next.
   
   
3. Select Work or school account.
   
   
4. Log into CAS; complete your multi-factor authentication using Duo.
   
   
5. The Sync Error message will disappear, and syncing should be successful.