Select the appropriate server, and then right click on OWA (Default Web Site)Ĥ. Open the Exchange Management Console, select Server Configuration, and then Client AccessĢ. To disable local signatures created in OWA for Exchange users, you can use the Segmentation toolġ. If the operation doesn’t take effect, please make sure the policy that you modified is the one you assigned to the user.ĭisabling Local Signatures Created in OWA for Exchange Users To create an Outlook Web App mailbox policy: To check which OWA policy has been assigned to the user or if the assigned permission is correct: It may take more than 24 hours for the changes to take effect Open up Exchange Admin Center > navigate to Permissions > Outlook Web App Policies > 'click the policy which is assigned to the user' > feature > More options > untick Email signature. If you also have signatures set up in Microsoft Outlook client which you want to disable, please follow the steps in this article here: How do I disable personal Microsoft Outlook signatures?ĭisabling Local Signatures for Microsoft OWA Users This article describes how you disable signatures configured within Microsoft Outlook Web Application. This can result in some users with two different signatures - one from Outlook and one from Crossware Mail Signature. You have enabled Crossware Mail Signature for Exchange on-premises, but users can still add and apply personal signatures to their emails by using the native tool in Microsoft Outlook Web Access.