🆚 Outlook on the web vs. SquirrelMail
- 📈 Outlook on the web is much more popular than SquirrelMail.
- 🌍 Outlook on the web is more popular in all countries.
- ⭐ SquirrelMail is particularly popular in Russia.
Statistics based on 3.4M+ analyzed websites. About this data
Outlook on the webType
Webmail software
Webmail software
About
Outlook on the web is a web-based app included in 
Microsoft 365 that allows users to access their email, calendar, and contacts.
SquirrelMail is a webmail client written in 
PHP that includes support for IMAP, SMTP, and a flexible plugin system.
Headquarters
Redmond, Washington, United States
Pricing
Free ✔️Open source
Popularity
Determined by the number of sites using each technology.
The Outlook on the web webmail software is 9 times more popular than SquirrelMail.
Total websites
Market share
Webmail
Popularity by country
Determined by the number of sites detected from each country.
Outlook on the web is more popular than SquirrelMail in all countries.
United States
China
Canada
Hong Kong
Russia
France
Germany
United Kingdom
Brazil
Denmark
Popularity by domain category
Determined by the number of sites in each category.
Outlook on the web is more popular than SquirrelMail in all market segments.
Business
Travel
Web Mail
Technical/Business Forums
Shareware/Freeware
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Roundcube
SnappyMail🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,406,701 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.