Check it here:
Teams log in not possible
Just bought and downloaded the new MS 365 for my MacBook air. However Teams does not start, only error message when trying to log on:
Application not supported as I have a personal account??
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LiweiTian-MSFT 21,450 Reputation points Microsoft Vendor
2023-05-26T06:06:06.3733333+00:00 Could you please tell me:
Did you receive AADSTS500200 error?
Please make sure you've been invited to join by the organization, or log in with your organization account.
For more detailed information, you can refer to this document, which can help you troubleshoot your problems better:
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