The Best Email Signature Management Software on the Market

“An excellent product that makes creating and managing email signatures for Microsoft 365 (formerly Office 365) a breeze.”

Nuno Mota

Office Servers and Services MVP

“Exclaimer creates the best signature management software on the market. It's well designed, well written, well supported and extremely stable.”

Robert Pearman

Microsoft MVP, Windows Server for SMB

“I recommend Exclaimer Signature Software to everyone. This is what Exchange is missing – sometimes the seemingly simple things prove to be truly impressive.”

Ratish Nair

Microsoft Exchange MVP

“The end result is professional branding and consistent messaging across all emails.”

Loryan Strant

Office Servers and Services MVP

“It works perfectly and makes managing signatures easy and straightforward.”

Sathish Veerapandian

Microsoft MVP - Office Servers and Services

“Exclaimer products just work and do what they claim to do very well!”

Steve Goodman

Microsoft Exchange MVP

Over 75 million users worldwide trust Exclaimer email signature software to get total control over their corporate email signatures. Find out why you should trust us too!

Use Exclaimer email signature software to manage company email signatures for:

Microsoft Microsoft 365 (formerly Office 365) Microsoft Exchange Microsoft Outlook G Suite

Award-winning email signature software features

  • Create attractive email signature templates with HTML images and text.
  • Get consistent signatures with merged field data pulled from Active Directory/Google Directory.
  • Get high-quality signatures on all emails, even if they are sent from mobile devices and Macs.
  • Manage everyone’s signature from a central console to ensure the professionalism of your brand.
  • Design different signatures for different departments. A marketing team can showcase an event, while customer services get a signature with the company’s opening times.
  • Conveniently update every signature in your organization with a single click.
  • Signatures can include dynamic content such as social media icons, promotional banners, award logos and more.
  • Turn corporate email into a low-cost, high-volume marketing tool that will reach literally thousands of people daily.
  • Capture data on clicks in the signature and feed them to analytics or marketing automation software.
  • Ensure every message has the appropriate email disclaimer for legal compliance.

Exclaimer is a Microsoft Gold Partner.
Exclaimer is a Google Cloud Technology Partner for G Suite.
Exclaimer won a Queen’s Award for Enterprise in International Trade in 2020.
ISO/IEC 27001:2013 Certification for a cloud-based Microsoft 365 (formerly Office 365) signature management service.
Exclaimer Exchange email signature software is Windows Server 2012 Certified.
Exclaimer email signature software has been won many Readers' Choice Awards.
Exclaimer email signature software - Gold Award winner.
Exclaimer Cloud - Signatures for Office 365 awarded Gold Award.
Wish all software packages were this good – I’d recommend this to anyone.
Harry Afionis Enspire Australia
Exclaimer is a fantastic company that is totally focused on providing great products.
Dario Porru The International AIDS Society (IAS)
  • The recognized global market leader in on-premises and cloud-based email signature software/solutions.
  • Responsible for building the first ever email signature software in 2001 with over 15+ years of experience.
  • Products used by over 75 million users worldwide with some companies holding licenses for over 100,000 users.
  • Used by some of the most prestigious organizations across the globe including the BBC, DMG Media Limited, Sony, Audi, NBC and the Government of Canada.
  • A Microsoft Gold Application Development Partner and Microsoft Gold Cloud Platform Partner, putting it at the top level of Microsoft solution partners
  • Regularly recommended by Microsoft MVPs (Most Valuable Professionals) with a strong reputation within the Microsoft community.
  • Has successfully achieved the ISO/IEC 27001 Certification for its development of a cloud-hosted email signature service for Microsoft 365 (formerly Office 365) & G Suite.
  • The recipient of multiple awards within the IT sphere and winner of the Queen's Award for Enterprise, the most prestigious business award in the UK.
  • Wrote the official Email Signatures for Dummies guide so you can use email signature marketing as a powerful advertising tool.
View the complete Exclaimer signature management product range