Outlook requires app password for connecting to Exchange Online

Even if most people use modern authentication for connecting with Exchange Online, some users still have to use app passwords to enable connections from Outlook.

For tenants created after August 2017, modern authentication is enabled by default, but some admins have it turned off.

To enable modern authentication for Exchange Online, follow these steps:

  • Let all the basic authentication protocols selected.
  • Click “Save“.

You should aim to disable all the basic authentication protocols as soon as possible.

To enable modern authentication on Outlook 2013, click on the following guide:

Enable Modern Authentication for Office 2013 on Windows devices