Office 365 App Password Missing. Once you've created the password, you would use that app password to log into that older application. First i would look inside the office 365 admin portal to make sure your password expiration policy is not set to only a few days.
Go to admin > service settings > email, calendar, and contacts. Are you using office 365, or you have hybrid environment? Create and delete app passwords using the office 365 portal
Go to login.partner.microsoftonline.cn and sign in with your work or.
Install or reinstall office on your device. If the issue persists, we would like to confirm the following information: Select office 365 apps to begin the installation. To delete an app password using the app passwords page.
