https://store-images.s-microsoft.com/image/apps.3159.18b459f4-f203-4dd3-80f1-9a667fa9657f.f0968a99-e486-4188-b7ea-48736d933f55.f330f5bf-9cca-4374-884e-b0de157a5fee.png

Mailtastic Signatures Add-in for Outlook

by Mailtastic

Automatically insert consistent, branded email signatures in Outlook with Mailtastic.

Ensure every email sent from Outlook carries a consistent, professional, and on-brand signature — automatically. The Mailtastic Signatures Add-in for Outlook gives your organization full control over employee email signatures without relying on manual updates or user configuration.

This add-in works seamlessly across Outlook for Windows, Mac, Web, and Mobile, inserting the correct signature at the moment your users start composing an email.

Key Features:

- Automatic insertion of centrally managed email signatures

- Consistent design across all Outlook platforms (desktop, web, mobile)

- Role-based access to signature campaigns and configurations

- Dynamic banner support for marketing campaigns and legal disclaimers

- Signature rules based on user profile, department, location, and more

- Compatible with Microsoft 365 and Azure Entra

Why Mailtastic:

- No training or user action required — signatures appear automatically

- Real-time signature updates across your organization

- Centralized management through the Mailtastic dashboard

- Enterprise-ready security and compliance

Note: Using this add-in requires an active Mailtastic subscription with user licences. Additional charges apply. Please contact Mailtastic for subscription and pricing details.

App capabilities

When this app is used, it
  • Can send data over the Internet
  • This app can read or modify the contents of any item in your mailbox, and create new items. It can access personal information -- such as the body, subject, sender, recipients, or attachments -- in any message or calendar item. It may send this data to a third-party service.
This add-in can launch itself when:
  • The user composes a new mail.
  • The user adds or removes recipients from an email.
  • The user adds or removes attendees from an event.

At a glance

https://store-images.s-microsoft.com/image/apps.43829.18b459f4-f203-4dd3-80f1-9a667fa9657f.f0968a99-e486-4188-b7ea-48736d933f55.54e91aff-7903-45b2-87ec-e169bc829d75.png
/staticstorage/linux/20250727.3/assets/videoOverlay_62a424ca921ff733.png
https://store-images.s-microsoft.com/image/apps.43829.18b459f4-f203-4dd3-80f1-9a667fa9657f.f0968a99-e486-4188-b7ea-48736d933f55.54e91aff-7903-45b2-87ec-e169bc829d75.png