Sometimes Calendar events change―like an event
being deleted or updated, the removal of a booked room, or a change to a list
of invitees―and it’s not clear how those changes came about. Starting today,
admins can use the new Calendar audit feature in Admin Reports to see details of specific user actions
within Google Calendar.
You can see changes to primary calendars―like deleting or creating a new calendar―along with changes to events like description, time, name or guest list, and even changes to notifications and reminders.
To access the Calendar audit reports in Admin console, click on Reports > Audit > Calendar:
Note: this feature is not available for Google Apps for Government customers