- Centralized and decentralized architectures: Combine as required.
- Native synchronization for Exchange Online, Hybrid, and On-Premises.
- Supports public, national, sovereign, and local Microsoft 365 clouds.
🔗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 this work without routing email through another third-party infrastructure or synchronizing directory data to an external provider. Templates, rules, and user data remain within the environments you already trust and control.
Covers: Classic Outlook for Windows, simulation mode
- Centralized signature management
- Supports Exchange on-premises, hybrid, and all Microsoft 365 clouds
- Free and open-source
Outlook coverage: New Outlook, Mac, iOS, Android, Web
- Centralized out-of-office reply management
- Time-based campaigns, shared mailboxes, delegate support, SimulateAndDeploy, and more
- Commercial extension to the free, open-source core
- Design in Word, save, done.
- Use familiar placeholders and logic to drive consistent branding without waiting for IT tickets.
- Test-drive using simulation mode.
- Zero external data processing or mail rerouting.
- Runs within environments you already trust and govern.
- Open-source, peer-reviewable, and audit-ready core.
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.
Invisible to end users, seamless background sync. Intuitive for Marketing and IT.
Time-based campaigns, collapse empty lines, rule-based banners.
Dry-run your deployment logic before going live.
Manage and distribute OOF messages consistently and centrally from one location.
Windows, Mac, iOS, Android, Web, Classic and New Outlook, cloud and on-prem in perfect harmony.
Supports shared mailboxes, delegates, and custom logic.
Direct-to-mailbox synchronization, no mail flow changes required.
No external data transfer, no phone home, no telemetry.
Design in Word, test-drive from your desk, deploy brand-safe campaigns company-wide.
🔗See it in Action
Organizations use our ecosystem to enforce dynamic branding, administrative governance, and cross-platform data sovereignty, all without changing the way users work.
🔗Self-Service Quickstart
Follow our 3-step process and deploy your first signatures in just a few minutes. Peer-reviewable and production-ready.
3-Step Quickstart For IT Administrators and Technical Evaluation. No Signup Required.🔗Guided Walkthrough
Schedule a session with our team to see how the solution adapts to your specific organizational structure, technical setup, and compliance requirements.
Book an Interactive Demo For Executives and Decision-Makers from IT, Marketing, and Security.The Benefactor Circle license funds the open-source development, ensuring the core engine remains free and peer-reviewable for the global community.