Set-OutlookSignatures and the Benefactor Circle add-on

Email signatures and out-of-office replies with data sovereignty

πŸ”— Create value without giving up data sovereignty

The free and open-source Set-OutlookSignatures and the Benefactor Circle add-on turn email signatures and out-of-office replies into a centrally managed, reusable business asset β€” without external dependencies.

Every email becomes a controlled touchpoint for your brand: up to date, consistent, and fully aligned across the organization.

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Instant Professionalism
Automated contact details and consistent branding across every message.
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Frictionless Adoption
Intuitive for IT and Marketing, invisible to your employees.
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Unsurpassed Privacy
Total data sovereignty. Your data stays in your environment, no third-party transits.

Looking for concrete numbers and a clear cost perspective? See pricing and the full business case.

πŸ”—Experience it in action

See how organizations use Set-OutlookSignatures and the Benefactor Circle add-on to enforce brand consistency, governance, and data sovereignty without changing how users work.

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Cross-Platform Sovereignty
Across Windows, Linux, macOS, iOS, Android, and Web. All data stays within your own environment, even for BYOD scenarios and with M365 F licenses.
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Dynamic Branding and Marketing
Turn every email into a marketing asset with scheduled campaigns and automated cleanup. Maintain a flawless, compliant corporate identity in every interaction.
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Administrative Governance
Manage complex delegation scenarios, shared mailboxes, and company-wide out-of-office replies centrally. Deploy organization-wide updates in minutes.

πŸ”—Personal demo

Schedule a personal walkthrough to see how this fits your specific infrastructure and compliance needs.

Schedule your personal demo now

πŸ”—Quickstart

Follow our 3-step process to deploy your first signatures in minutes and create a robust starting point.

Quickstart: Signatures in minutes

πŸ”— The power of the ecosystem

Set-OutlookSignatures and the Benefactor Circle add-on form a unique ecosystem for centrally managed email signatures and out-of-office replies fully under your control.

You get enterprise-grade governance, full data sovereignty, and seamless integration into your existing Microsoft 365 and Exchange environment.

This combination delivers capabilities no other solution offers, made possible by its advanced, modular architecture.
It goes far beyond static directory attributes: You can easily extend it to ingest data from virtually any source β€” including web services, LDAP directories, databases, and files β€” and define fully custom variables tailored to your organization.

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Frictionless Adoption
Easy for IT and marketing to manage, invisible to end users.
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Dynamic Content
Use dynamic data from users, mailboxes, managers, and your own sources.
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Out-Of-Office Replies
Control out-of-office replies centrally, for internal and external recipients.
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Cross-Platform
Works everywhere: All Outlook editions on any platform, on‑prem and in every M365 cloud.
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Enterprise Versatility
Built for real-world Exchange: Shared mailboxes, delegates, roaming signatures, and more.
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Flexible Assignment
Assign signatures by department, role, language, location, time, or any custom rule.
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Zero-Footprint Integration
Everything runs on your existing systems and creates no new dependencies.
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Unsurpassed Data Privacy
Your data never leaves your environment and stays within your established security and governance structures.
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Additional Marketing Channel
Turn email signatures into a powerful, cost-free marketing channel.