⚡ Webmail in Canada

Webmail software lets users access and manage email directly through a web browser.

Canada is a North American country with a population of over 40 million people.

According to our statistics, webmail software is used on 0.02% of websites from Canada.

⭐ Most Popular in 2026

The following chart shows the top webmail software in Canada in 2026, based on market share.

The most popular is Roundcube with an impressive share of 46.7%, followed by Outlook on the web with 26.7% and Horde with 13.3%.

Roundcube 46.7%
Outlook on the web 26.7%
Horde 13.3%
SquirrelMail 6.7%
Mailcow 6.7%

🚀 Highlights

Here is a list of the top software that is more popular in Canada than worldwide.
Differences between global and country rankings are shown in parentheses.

3. Horde ^(-2)
4. SquirrelMail ^(-3)

✨ Best Webmail Software

Below is a more detailed list of 5 webmail software solutions used on sites from Canada, ranked by their market share.

Rank	Name	Market share
1	Roundcube A browser-based multilingual IMAP client. FreeOpen source$$$	46.7%
2	Outlook on the web Redmond, Washington, United States A web-based app included in Microsoft 365 that allows users to access their email, calendar, and contacts.	26.7%
3	Horde Atlanta, Georgia, United States An open-source web-based groupware. FreeOpen source	13.3%
4	SquirrelMail A webmail client written in PHP that includes support for IMAP, SMTP, and a flexible plugin system. FreeOpen source	6.7%
5	Mailcow Willich, Germany An open-source groupware/email suite based on Docker. FreeOpen source	6.7%

👉 See Also

🌎 Webmail in other countries

Data is based on the analysis of 66,600 websites from Canada.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.