Integration with Outlook Add-in: how to manage email signatures across Microsoft 365?
June 10, 2025
What does Outlook Add-in enable?
Outlook Add-in is an extension that allows administrators to centrally manage signatures across the entire Microsoft ecosystem. This means complete control over how every e-mail signature looks, from desktop to mobile apps.
Key features:
- Support for signatures in Outlook Desktop, Outlook Web App (OWA), Outlook on iOS and Android,
- Automatic loading of internal and external signatures – no need to copy them manually,
- Organization-wide installation – administrators can deploy the solution globally,
- Full compatibility with different versions of Outlook.
With this integration, your email signature loads automatically in the right context: one for internal messages, another for customer communications.
Pełna lista zgodnych środowisk
Rozszerzenie Outlook Add-in działa w szerokim zakresie aplikacji i systemów:
- Outlook na Windows (Microsoft 365),
- Outlook Web App (OWA) – Exchange Online / Microsoft 365,
- Outlook 2019 lub nowszy na Windows,
- Outlook 2016 lub nowszy na Mac,
- Outlook 2019 lub nowszy na Mac,
- Outlook na iOS,
- Outlook na Android,
- Outlook na Mac (Microsoft 365),
- Outlook w przeglądarce.
To kompleksowe wsparcie dla całego środowiska Microsoft sprawia, że nie ma potrzeby dostosowywania podpisów do różnych urządzeń – wszystko działa spójnie i bezpiecznie.
Łatwa instalacja i zarządzanie
Administratorzy mogą wdrożyć dodatek w całej organizacji w kilku prostych krokach. Instalacja nie wymaga dodatkowych uprawnień użytkowników końcowych ani ręcznego działania z ich strony. Wszystko odbywa się centralnie – z poziomu konsoli administratora Microsoft 365.
👉 Instrukcja instalacji dostępna tutaj: https://app.gsignature.com/extension
Z pomocą tej instrukcji dodatek może zostać w pełni wdrożony w ciągu kilku minut. Dzięki temu działy IT zyskują nowe możliwości automatyzacji i kontroli nad wizerunkiem firmy w komunikacji mailowej.
What does this mean for users?
For employees, it means one thing: a working email signature without any effort on their part. They don't need to install or configure anything – the signature will appear automatically in every message they send.
For organizations, it means consistency, control, and convenience:
- No errors in e-mail signatures
- No need to contact technical support
- Ability to update all signatures with a single click
It's the perfect solution for companies that want full control over their branding and contact information without the need for manual configuration.
Email signature – what is it?
Email signature – what is it? In 2025, it's not just contact information, but a communication and marketing tool. Thanks to integration with Microsoft 365 and gSignature, your signature is no longer static information, but a dynamic element – fully managed and personalized.
If you want to learn more about how dynamic variables work in signatures, visit our documentation.
Practical application
The new feature is best suited for companies that:
- Use Microsoft 365 and want to centrally manage their communication,
- Have many employees and need automation,
- Focus on professionalism and consistency in every message,
- Are looking for a no-code solution for creating signatures – instead of manual HTML coding.
If you want to see how a working signature looks in Outlook on different devices, check out our example library.
HTML email signatures will never be a problem again – now you can manage them from a single console.
We encourage you to test the new Outlook Add-in and see how it can improve communication in your company.
