This article is applied for Office 365 or Exchange in the source. For performance reasons, the platform does not migrate events older than 3 years. Here you find the instructions, on how to verify the creation date of an event in Outlook.
To check the date of creation of an event in Outlook:
- Open an Outlook application of the impacted user
- Click on Folders
- Choose the Calendar
- Go to View and change the view to List
- Click on ‘View Settings’, then ‘Columns…’
- Add a new column ‘Created’ and click on OK twice.
If the date of creation is 3 years older than the date of the migration, such event will be ignored.