How To Fix Onenote For Mac Crashes On Startup Mac Os X

When using OneNote for Mac version, MacBook Pro crashed. After rebooting MacBookPro, it reported Microsoft OneNote had caused the crash. Then every time when i open OneNote, app crashed immediately. Reinstalling OneNote Mac app via Appstore or clearing caches, does not fix the issue. OneNote keeps crashing on start. Solution:- 1. Delete the following folders on your Mac. ~/Library/Containers/com.microsoft.onenote.mac ~/Library/Group/Containers/UBF8T346G9.Office 2. On your Mac OS X, open “Keychain Access” app and search for “MicrosoftOffice”. If OneNote app recognized that you signed in, you’ll have entry with long name. Delete it. 3. Restart your Mac computer. 4. Then try to launch OneNote app and signing in again. SEE ALSO : How to open OneNote for Windows files in OneNote for Mac If you find any other solution to fix “OneNote for Mac crashes on start”, inform us via comment.