Web Mail Usage Statistics and Market Share in Denmark (.dk)

We are tracking usage statistics and market share for 4 web technologies in the Web Mail market in Denmark (.dk). As of May 2026, the most popular web technology in Web Mail in Denmark (.dk) is RoundCube, with 78% market share. In second place is Outlook Web App, with 12%. After that, SquirrelMail holds 6%, followed by Zimbra with 0%. Top 4 web technologies together account for 95% of the market. The remaining 0 web technologies in Web Mail collectively have a 5% market share. Global Web Mail market share report is available here.

Last updated: 10 May 2026

Web Mail Market Share in Denmark (.dk) in May 2026

About Web Mail

Web mail is an email client implemented as a web application running on a web server.

We are tracking 4 different technologies in Web Mail.

There are 86 websites using Web Mail in Denmark (.dk websites) in out database.

Web Mail Usage Statistics and Market Share in Denmark (.dk) in May 2026

#1 RoundCube 77.91%

RoundCube is a webmail client that allows users to access and manage their email through a web browser, providing features such as composing, sending, and managing emails, as well as accessing attachments and address books. It is designed to be easy to use and compatible with various email servers.

#2 Outlook Web App 11.63%

Outlook Web App (OWA) is a web-based interface for accessing Microsoft Exchange email, calendar, and contacts from any internet-connected device. It offers a familiar Outlook experience, including email composition, task management, and calendar events. The service is accessible via any modern web browser.

#3 SquirrelMail 5.81%

SquirrelMail is an open-source webmail application that allows users to access and manage their email directly from any web browser, eliminating the need for dedicated email client software. It provides a user-friendly interface for composing, reading, and organizing emails, as well as managing contacts and settings. SquirrelMail is highly customizable and can be easily integrated with various email servers.

#4 Zimbra 4.65%

Zimbra is a powerful, open-source email, collaboration, and communication platform that offers web-based email, calendaring, task management, and instant messaging in a single, easy-to-use interface. It integrates seamlessly with popular devices and services, providing a comprehensive solution for both individuals and organizations.