If you have more than one user account on your Mac, try signing in with a different user account. The sign in location for Office 365 Germany is. Your organization uses Office 365 Germany. If you're signing in to the correct location, but still can't remember your username and password, contact your admin. Update your password in Outlook 2016 for Mac. Or, if you have a different account on the Mac that you know the password to, you can recover your Mac admin password by following these steps. In the event that you happen to share your Mac with another person, and they have their own account, you can use their Login to reset your password.
