This article provides steps to open multiple Teams windows. If you want to sign in to MS 365 website using multiple accounts, we suggest that you use one browser for one account and a different browser for the other account. Any 2 browsers should work, Firefox, Safari, Chrome, Internet Explorer, or Edge. You can use whichever browser you want.
Follow these instructions to open multiple Teams windows:
If using this for different accounts, open an incognito window .
These steps are for use with Google Chrome web browser.