Microsoft Outlook is a web-based suite of webmail, contacts, tasks, and calendaring services.
Report channel removals and unresolved cases after each access review.
Keep your discussion channels aligned with access reviews, and give reviewers before and after member lists.
Send policy exceptions to authorized reviewers for a decision.
Your exception requests reach the reviewer you choose for each data classification, while requesters can see who has the decision.
Keep dated copies of changed policy wording ready for program review.
Keep a website version history for the section you watch, with an email link when a daily check finds new wording.