Fix Sharepoint not syncing with One Drive Mac

1. If you're using the OneDrive Mac Store app, uninstall it. To do this, unlink OneDrive by right clicking on the cloud icon and selecting preferences option and click on Unlink this Mac.
2. Use App Cleaner or the like to uninstall completely
3. Delete:
a. Press Shift+command+G keys from keyboard which will pop up to choose the folder
b. Paste the below location and delete the folders
~/Library/Group Containers/UBF8T346G9.ms/
~/Library/Containers/com.microsoft.OneDrive-mac
~/Library/Containers/com.microsoft.OneDrive-mac.FinderSync
4. Uninstall OneDrive application: Right click on the application and select move to trash
5. Go to trash and remove it from trash folder.
6. Restart the system
6. Install the latest build of OneDrive for Mac
7. Open a terminal window by using cmd+space and searching for “Terminal.”
8. Run the following commands: (make sure you are administrator on Mac to preview this feature)
Defaults write com.microsoft.OneDrive TeamSiteSyncPreview -bool True
Defaults write com.microsoft.OneDriveUpdate Tier Team
Killall cfprefsd