How do we export and import Teams Chat Contacts ?

This outdated... there is no Settings under Photo.. its next to it.. and no feature to Backup contacts

Exporting Teams chat contacts:

1. Sign in to the Microsoft Teams desktop app.
2. Click on your profile picture in the upper right corner and select "Settings".
3. In the Settings menu, select "Privacy" and then click on "Manage contacts".
4. In the Manage contacts window, click on the three dots (...) and select "Export contacts".
5. Choose a location to save the file and click "Save".

Importing Teams chat contacts:

1. Sign in to the Microsoft Teams desktop app.
2. Click on your profile picture in the upper right corner and select "Settings".
3. In the Settings menu, select "Privacy" and then click on "Manage contacts".
4. In the Manage contacts windowhttps://gbwa.dev click on the three dots (...) and select "Import contacts".
5. Select the file that you exported previously and click "Open".
6. Your contacts will now be imported into Teams.

This process will only sync the contacts within one Microsoft 365 account. If  syncing the contacts across multiple accounts, you need to repeat this process for each account.

mwilcox1SOD 

please check this resource: How to export Migrated Teams Chat from outlook and import to MS Team - Microsoft Q&A