See GitHub to download or for more information: https://github.com/ITAutomator/DelegateCalendarAddRemove
Use this to add and remove calendar delegates in Microsoft 365.
Can also give access to contacts.

Use these columns in your CSV file to control delegate options
Owner_ID,Delegate_ID: Owner and Delegate info
NotifyDelegate : TRUE (Delegate is sent a summary of access)
Contacts_Edit : TRUE (Additionally, contacts are editable)
Private_Items : TRUE (Private items too)
RemoveAllAccess : TRUE (Delegate is removed)