Guest Access Review is a method provided through Microsoft 365 to review and authorize access for external (non-TXST) accounts to Microsoft 365 Groups and Teams.
Periodic Review
Any non-TXST accounts with access to Microsoft 365 Groups and Teams will undergo a required access review by the owner of the group or team every three months.
Access Review Experience
Access Review Experience
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Open the system-generated email.
- Click on the Start Review button in the email.
- Click on the Begin Review button for each group that needs an access review.

You'll be taken to a page with recommended actions for each user.

- Select an action on each user and provide a reason for the continued access. Click Save.

Congratulations! You have successfully reviewed guest access in Microsoft 365.