
I left the following detailed reply on the Microsoft page.
I CANT LOG INTO MY OUTLOOK 365 PASSWORD
Use Ctrl+V to paste the password in the password field then click Next. To change the password in Outlook 2016 and newer, use the File > Account Settings > Server settings menu.

If you type it in, don’t include the spaces, they just make the password easier to read. Copy the password and paste it into Outlook’s password dialog.You can use the app password in any application.) (Choosing the app is to make it easier to delete (revoke) a specific password if you need to later. Select your app from the list and click Generate.Log into your account security settings in Yahoo or AOL and click on Manage app passwords.To generate an app password to use in place of your "real" password: Unlike Gmail, iCloud and, you do not need to enable 2-step authentication or the secret key feature to use an app password. Please check your email address and password and try again.

We couldn't log on to the incoming (IMAP) server. You'll see this message when you add a new account: If you continue to receive this message, contact your server administrator or Internet service provider (ISP).' Task 'Synchronizing subscribed folders for reported error (0x800CCC0E) : 'Outlook cannot synchronize subscribed folders for Error: Cannot connect to the server. If the account is already configured in Outlook, you'll see this error message in the Send / Receive Progress dialog:
