This feature request is still on in the backlog. No new updates available at this time.
This is still being worked upon. I hope to have more details in the next couple months.
Please know the team is actively working on this feature.
This feature item is still in the works. We will keep you posted as we have new info from the feature team.
As stated in the last update, the ability to use multiple Teams accounts at the same time is being implemented in stages for Desktop. Faster tenant switching functionality on the Windows client has been rolled out to the public ring fully, and Mac will begin rolling out soon. Work is in progress on cross-tenant notification improvements, and support for multiple accounts on desktop will follow. We’ll keep you posted!
Note: The ability to use multiple Teams accounts at the same time is supported on iOS & Android today.
Alex & the Teams team