emove user from the SharePoint Online site collection Go to the site Change the URL to have /_layouts/15/people.aspx?MembershipGroupId=0 at the end Find the person you want to remove and click the checkbox to select them Then click ‘Actions’ at the top Select ‘Delete user from site collection’ then Yes to the warning message. Then go back to the Owners / Contributors group that you need them to have access to and give access again.

As part of a Microsoft Teams service update that was completed in mid‑January 2026, Microsoft introduced a new Shared tab in Teams channels, replacing the earlier Files tab. This change modified how SharePoint document libraries are surfaced within Teams, particularly for Shared Channels. Following this update, Teams now uses a system‑managed Shared tab to display the channel’s primary SharePoint document library. As a result, document library tabs that were previously added programmatically during the migration are no longer rendered in the Teams client UI, even though:

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