Issue: On a Mac where previously notebooks were opened simultaneously from multiple sources (OneDrive (Personal), OneDrive for Business, SharePoint (multiple tenants)) was reset to default and now not able to open notebooks stored in different O365 tenant subscriptions.
Root Cause: Cached ADAL credentials need to be removed.
Resolution: Perform the following steps:
- Go to applications -> utilities -> keychain access -> search and delete cache/identity and ADAL.
- During above steps, please check to have all the Office applications closed.
- Once all those deleted, please check the behavior again.
If notebook fails to open after following the preceding steps, please try to reinstall the Office package: