In this guide, we'll set up an external, non-staff RHASS user for outside access with restricted permissions. The focus is on ensuring the user, who is not a staff member, has web access only, and MFA enforced.
Because they are getting access to a previously set up mailbox we'll go through the steps of resetting authentication methods and configuring email app permissions to allow access solely through Outlook on the web. This process involves using the Entra Admin Center and Microsoft 365 Admin centre.
Go back and close fully the the user once it has confirmed it has 'updated info'
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Confirm settings have taken effect by going back into the Mail tab and checking under 'Email Apps'
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Confirm and make note of user email address "caras@rhass.org.uk"
That is all that is needed. You can now reset the password, unless already done, and pass over and help user log into outlook.office.com to access this mailbox.