Android (Non Samsung) Adding a 365 mailbox to your phone Android (Non-Samsung)     Open the Gmail app. Tap the menu icon in the upper left corner >  Settings  >  Add account  >  Exchange and Microsoft 365 .     Enter your full email address and tap  Next ..   Enter your password and tap  Next You may see a  Redirect request  screen. Tap  OK .   On the Incoming server settings screen, change your server to  outlook.office365.com . Follow any prompts you may get for security or device permissions, sync settings, and more. If you have a Microsoft 365 work or school account, you may also be asked to confirm  Remote security administration  and approve additional security measures. In this case, choose  OK  or  Activate . Go to the inbox you just set up. If you see an email that says " Action Required to Sync Email ," open it and tap  Use another Mail app instead . If you don't see this message and emails are syncing, skip this step.   Pull down the Android notification bar by swiping down from the top of your screen. If you see a notification that reads " Unable to sync calendar and contacts ," tap it. Then tap  Allow  to give access and you're done! Note:  If you don't see a sync error, verify your calendar and contacts are syncing.