Free trial restrictions

The following restrictions apply to free trial accounts:

A maximum of 25 users for Microsoft Exchange Online and 25 site collections for Microsoft SharePoint Online.
A maximum of 3 immediate backups per day.
Automated backups for only the first 30 days.
No scheduled backups are allowed during the 15 day grace period after the free trial ends.
You cannot backup Microsoft Teams Chat.
A maximum of 10 restores are allowed in a 24-hour period for all services.