To make Outlook login with password, we need to manually add email account in Outlook app and disable the 'Remember password' option. Guides: How to make Outlook login with password How to make Outlook login without password How to reset Outlook login password How to fast recover Outlook login password if lost How to make Outlook login with password If you want to make Outlook login with password, you should manually add the email to Outlook app with POP account type.
If you have added an email account in Outlook app, and find that it is always automatically logged on without password when you open Outlook app, you might have chosen the Exchange or as the email account type when you were adding email to Outlook app.