User guides
Browse user guides for Signature 365 add-ins across Outlook desktop, web, and mobile.
Using the Outlook add-in in Outlook Classic
Use the Signature 365 Outlook Classic add-in to insert, switch, and manage email signatures.
Using the Outlook add-in in Outlook on the web and new Outlook
Use the Signature 365 add-in in Outlook on the web and new Outlook to insert and manage signatures.
Using the Signature 365 Outlook mobile add-in
Learn how the Signature 365 Outlook mobile add-in inserts default signatures on iOS and Android.