Issue
After integrating Office 365, Office 365 storage option is not available on any DocGen Delivery Options.
Resolution
1. Manually add "Office 365" to the "Store As" picklist field on the Delivery Option Object.
2. Navigate to the desired Record Types and add the picklist value to that record type.
Save and Exit.
2. Navigate to the desired Record Types and add the picklist value to that record type.
Save and Exit.