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Setting up multiple signatures in the Outlook Add-in

The Multi-Signature Selector lets users switch between multiple assigned signatures in the Outlook Add-in. This is useful for organizations where employees need different signatures based on department, role, or use case. For example, a salesperson who needs a marketing-focused signature and a support-focused one.

This article explains how to turn on multi-signature selection, configure signature priority, understand behavior across devices, and manage whether a user’s selection persists between compose sessions.

You need:

Configuring default and secondary templates

Section titled “Configuring default and secondary templates”

Signature priority comes from the order of your routes on the Routing page (Signatures > Routing). Opensense follows this order when it matches signatures with user groups. The screenshot below shows an earlier version of the portal, where Routing was under Manage.

  1. Assign the default template (for example, to an allusers group) at the top, so it acts as the fallback priority for everyone.
  2. List secondary templates below the default. Assign them by department when specific users need different signatures.
  3. To change the order, select Change Priority, and rearrange the routes.

Routing page with three routes in priority order: route 1 assigns a signature to the allusers group, and routes 2 and 3 assign signatures to a cs_test group, with a Change Priority button above them

Where Deployment Which signature is used
Mobile Stamping The top-priority (default) template, applied automatically through stamping
Desktop, OWA, and Outlook Mobile Non-stamping The signature the user selects in the Outlook Add-in pane

The Allow Default Override (Multiple Signature) setting in Domain Settings controls whether a user’s selection carries over between compose sessions.

Off
Users always reset to the default (priority) signature on each new compose. Use this if you need to go back to strict priority-based signature assignment.
On
Users keep their last selected signature across compose sessions.
  1. Turn on Multiple Signatures in Domain Settings, so users can select from a drop-down menu in the add-in pane.
  2. Open the add-in as a test user, and confirm that the drop-down shows all the expected signature options.
  3. Switch between signatures, and send a test email from each one to confirm that routing applies the correct template.
Opensense add-in pane, My Signatures tab, with the Choose Signature drop-down open, listing three signatures

Screenshot preview

Screenshot