Exchange Online: Manage OWA Access to users

Sometimes the company policies restricts external access to content and OWA is not a less, so if you need to restrict access to users here’s the commands you can run in PowerShell to enable/disable access:

Disable OWA Access

set-CASmailbox -OWAEnabled $false

Enable OWA Access

set-CASmailbox -OWAEnabled $true

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