Office 365 App Password Change. A new app password is generated and appears on your screen. This will let you access mfa settings.
To create a new app password for an app or device, take the following steps. Do a soft reset of your device by pressing home and the power button for at least 10 seconds until the apple logo appears. The security level of the email account is as strong as the complexity of the password.
Enter your user name and password, and then select sign in.
An app password allows a device or app to access your office 365 account securely. Share them with others and work together at the same time. Click on that program name, and on the dropdown menu that appears, choose sign out. that should log you out of all of the office apps on the computer. You can repeat these steps to create an app password for as many apps or devices as you need.