Click Sign in. This blue button is below the text field. Doing so will sign you into Outlook where you should see your Outlook inbox awaiting you. Before clicking Sign in, you may optionally check the "Keep me signed in" box to stay logged into your Outlook account for next time.
That said, the process is almost identical for other Outlook versions. Add and Change signatures in Outlook 365 / 2019 / 2016. Here’s how you create or edit your Outlook email signature block: First off, open Outlook and then select the File menu. Now, select Options. Then, go ahead and select Mail.
I have tried logging into my Outlook email account by adding the account in Settings, through the Outlook app even after uninstalling and reinstalling as well, and through the Calendar app. I've set the account as Outlook Exchange, Office 365, Other, etc. Each path yields the same results.