Exclaimer Email Signature Management Software

Make managing your email signatures easy with Exclaimer’s award-winning software.

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Premier solutions for email signature management

Exclaimer provides a range of award-winning solutions for professional Microsoft 365 (formerly Office 365), G Suite, Exchange and Outlook email signature management. The product suite allows you to control email signatures, giving users full, dynamic and professional signatures across all devices – including on mobiles and Macs.

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Trusted by over 75 million users in 150+ countries


Use Exclaimer to centrally manage your company's email signatures from one easy-to-use platform.

HTML signatures on all devices

Brand consistency & legal compliance

Create templates in minutes

Customized signatures for your teams

Easy to setup and deploy

Promote marketing activities

Ready to get started? Try Exclaimer for free:

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Our customers love us

"Saves me so much time in the workplace!"

"The automation of it all - saves me so much time creating new signatures for each new member of staff. Love that you can see exactly how the signature would look next to the design creation tool."
Top 100 Software Companies 2020

Exclaimer is a Microsoft Gold Partner, Google Cloud Partner & ISO 27001 Certified

This means you can be confident in the quality and reliability of our technology.
Find out about all of our awards and accreditations.

Ready to get started? Try Exclaimer for free:

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See our solutions in action!

Book your demo today to see how our email signature solutions can work for your business.

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