Service Default Changes on February 8 In Office 365 notification MC228482 posted on December 3, Microsoft gives early warning of a change in the default tenant configuration for Teams. Up to now, the “service default” for guest access to Teams is Off, meaning that Teams doesn’t allow guest access. From February 8, 2021, the service…

Change in Guest Access for Teams: No Effect on Tenants Already Using Teams — Office 365 for IT Pros