How can I move an invitation to an external teams meeting to the teams calendar?
If you receive a meeting invitation from Outlook client, click Accept button as below and the meeting will show in Teams calendar.
Meanwhile, the date and time also show in the email as below:
If I misunderstand your words, please give us more information. Thanks for your understanding.
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.