New release v4.21.0

New features for the Outlook add-in

2025-08-15

🔗New features for the Outlook add-in

New launch events and custom code support:

  • React to launch events OnMessageRecipientsChanged and OnAppointmentAttendeesChanged.
  • Allow adding custom code to the add-in so you can directly influence which signature it will set.
    For example, you can set a specific signature…
    • …when there are only internal recipients, or another signature when there are external recipients
    • …depending on the from email address
    • …when a specific customer is in the To field
    • …when the current item is a mail or an appointment
    • …when the current item is a new mail, or another signature when it is a reply or a forward
    • …depending on the subject
    • …or any other condition derived from the information available in the customRulesProperties object

See .\sample code\CustomRulesCode.js in the Outlook add-in folder for details.

For a comprehensive list of all changes, dependencies, and fixes, please consult the official CHANGELOG.

🔗Set-OutlookSignatures centralizes email signatures and out-of-office replies across every Outlook platform

Consistent branding for Marketing, centralized control for IT, and zero manual effort for employees. Sovereign by design, it keeps data within systems you already trust.

⚡ 3-Step Quickstart 🎯 Book Interactive Demo 🔍 Website
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new release

 

2026-09-30

🔗 Self-service email signature attributes with data sovereignty

Let users personalize email signatures while IT retains control and all data stays inside systems your organization already trusts.

2026-09-23

🔗 From Halloween to the Holidays: Automate Seasonal Email Signatures 🎃🍂🎄

Halloween is just the beginning. Use scheduled email signatures to promote autumn events, year-end campaigns, holiday offers, and seasonal greetings automatically across Outlook.

2026-09-15

🔗 HTML or DOCX templates?

The choice of signature template determines how easy templates are to maintain.