Data-Sovereign Email Signatures and Out-of-Office Replies

Your branding across every Outlook platform, with zero external data exposure

Peer-Reviewable Core Agentless Sync No Mail Rerouting Sovereign Cloud Ready

🔗Put an End to Manually Managing Signatures and Out-of-Office Replies

Every signature and out-of-office reply represents your organization. Keeping them accurate, consistent, and up to date should not depend on individual users or recurring IT effort.

Set-OutlookSignatures centralizes and automates signature management. IT performs the initial setup and retains control of template management or delegates template management to another team, such as Marketing. Staff automatically receive current, centrally governed signatures without having to manage them individually.

Sovereign by design, the solution achieves this without synchronizing directory data with an external provider, rerouting emails, phoning home, collecting telemetry, or requiring new infrastructure. This architecture enables capabilities that other solutions cannot readily offer.

Set-OutlookSignatures

Free and open-source

  • Centralized signature management
  • Classic Outlook for Windows and simulation mode
  • Exchange on-premises, hybrid, and all Microsoft 365 clouds
Benefactor Circle add-on

Commercial extension preserving the core’s sovereign architecture

Security-conscious and brand-aware organizations worldwide trust our solution, in public as well as in national, sovereign and local Microsoft 365 clouds such as GCC, GCC High, DoD, China, Bleu, and Delos.

🔗The Strengths of the Ecosystem

From dynamic branding to governance, our ecosystem delivers capabilities that conventional provider-hosted solutions simply cannot match. Connect any data source, apply unlimited business logic, and synchronize natively across Outlook platforms without rerouting email or exposing data externally.

Frictionless Adoption
Invisible to end users, seamless background sync. Intuitive for Marketing and IT.
🧬
Dynamic Content
Time-based campaigns, collapse empty lines, rule-based banners.
🔍
Simulation Mode
Dry-run your deployment logic before going live.
🏝️
Out-Of-Office Replies
Manage and distribute OOF messages consistently and centrally from one location.
📱
Signatures Everywhere
Windows, Mac, iOS, Android, Web, Classic and New Outlook, cloud and on-prem in perfect harmony.
🏢
Enterprise Versatility
Supports shared mailboxes, delegates, and custom logic.
🧩
Native Integration
Direct-to-mailbox synchronization, no mail flow changes required.
🔒
Sovereign by Design
No external data transfer, no phone home, no telemetry.
🚀
Marketing Impact
Design in Word, test-drive from your desk, deploy brand-safe campaigns company-wide.

🔗See it in Action

Choose a self-guided technical evaluation or schedule an interactive walkthrough tailored to your organization.

The Benefactor Circle license funds the open-source development, ensuring the core engine remains free and peer-reviewable for the global community.