Users can set up their email account in Outlook with just their email address and password.
An OTP may be sent to user's mobile device if configured to verify their identity.
Outlook will query the company's domain autodiscover record and obtain all other details like server address and connection info automatically without user intervention.
In event that the user is unable to login due to invalid password, they can verify their credentials are correct via web mail portal (OWA) at https://mail.office365.com.
As improvements and new features are continuously being added to Office applications like Outlook, Office version older than 2016, older operating systems without TLS 1.2 is no longer supported.
You can also try resetting your password via URL https://passwordreset.microsoftonline.com/
