Use the EAC to enable or disable Outlook Web App
-
In the EAC, navigate to Recipients > Mailboxes.
-
In the list of user mailboxes, click the mailbox that you want to enable or disable Outlook Web App for, and then click Edit .
-
On the mailbox properties page, click Mailbox Features.
-
Under Email Connectivity, do one of the following:
-
To disable Outlook Web App, under Outlook Web App: Enabled, click Disable.
A warning appears asking if you're sure you want to disable Outlook Web App. Click Yes.
-
To enable Outlook Web App, under Outlook Web App: Disabled, click Enable.
-
-
Click Save to save your change.
OR
Use the Shell to enable or disable Outlook Web App
This example disables Outlook Web App for the mailbox of Yan Li.
Set-CASMailbox -Identity "Yan Li" -OWAEnabled $false
This example enables Outlook Web App for the mailbox of Elly Nkya.
Set-CASMailbox -Identity This email address is being protected from spambots. You need JavaScript enabled to view it. -OWAEnabled $true
For detailed syntax and parameter information, see Set-CASMailbox.