Unable to grant permission on outlook.com

[stphn]

Did you follow these steps?

How do I add an Office365 account?

We intend to make this easier in the future. For now you’ll have to manually set up Office365 accounts. Make sure you’re using at least K-9 Mail 6.201. For this to work, IMAP and SMTP need to be enabled for the domain. Depending on the configuration the administrator may also have to specifically allow the app “K-9 Mail” to be used to access your account. In the “Set up a new account” screen enter your email address. Tap the “Manual setup” button. Tap the “IMAP” button. Enter outlo…

If yes and it still fails maybe you can post a debug log here.