For more information, see how you can enable client-side for Microsoft 365 subscription. To add a specified signature to a message manually, select the ellipsis icon (.) at the top of the message and then insert signature.

Select Apps > Install this site as an app. Select Settings and more at the top of the window.

The Add-in allows signatures that have been enabled for client-side use in Exclaimer Cloud. In Microsoft Edge, sign in to your Outlook on the web or account.

If required, you can select a different signature for a special circumstance - all you need to do is open the Add-in within Outlook and click on the signature you wish to insert.

For more information see how you can Apply Recipient Settings Client-Side. For instance, the Add-in can insert your shorter internal signature when you only add internal recipients but insert your content-rich external signature when you add external recipients to the email.

The Add-in can also dynamically pick the best signature, depending on who the email is being sent to.

The Add-in automatically inserts a signature set as default into the email giving you confidence that your contact details and organizational branding are present, and in the correct location, when you send your emails.The Exclaimer Cloud Outlook Add-in is an application that can be centrally deployed to Microsoft Outlook and allows any user to add email signatures created within Exclaimer Cloud, to the body of their emails, while composing the email.

Add signature to email outlook web app