How to Block OWA and Use the New Outlook Using a CA Policy

New guidance from Microsoft suggests that tenants wanting to block access to OWA while allowing people to use the new Outlook should deploy a conditional access policy. That’s good advice if a tenant has the necessary Entra P1 licenses and is willing to accept the loss of browser access to Teams. Microsoft 365 is a complicated interconnected place, and blocking one app can have consequences for another…

https://office365itpros.com/2025/07/30/block-access-to-owa-new-outlook/