Set-CsTeamsMeetingPolicy -Identity Global -NewMeetingRecordingExpirationDays 99999
Here’s the correct guidance — because in the standard Teams PowerShell cmdlets for meeting recordings/transcripts. 1. Important Clarification In Microsoft Teams PowerShell (specifically the CsTeamsMeetingPolicy cmdlets), you cannot set expiration to “never” using -1 . The expiration is set in days , and the max allowed is 99,999 days (≈273 years) — which is effectively “never” for practical purposes. and the max allowed is 99
✅ , set it to the maximum allowed: