Websites using Outlook Web App
Outlook on the web is an information manager web app. It includes a web-based email client, a calendar tool, a contact manager, and a task manager.
988 live Outlook Web App sites, ready to export.
That's how many Outlook Web App websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every Outlook Web App website we detected in the United States.
Only sites where a personal, company-hosted email was found.
Sites with at least one personnel LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to Outlook Web App websites on .com domains.
Only sites where an organisation phone number was found.
Which Outlook Web App versions are most used?
We could read a version number on over 99% of Outlook Web App sites. Of those, the most common are Outlook Web App 15, on 911 sites and Outlook Web App 14, on 75 sites.
- Versions detected
- 2
- Sites with a version
- 986
Websites Using Outlook Web App
A sample of live Outlook Web App sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| pinfra.net | September 27, 2026 | |
| stranadev.ru | September 27, 2026 | |
| jbg1.de | September 27, 2026 | |
| bmsystem74.ru | September 26, 2026 | |
| scng.si | September 26, 2026 | |
| bmsmanagement.com | September 26, 2026 | |
| ebg.lv | September 26, 2026 | |
| congresojal.gob.mx | September 26, 2026 | |
| itsl.tel | September 26, 2026 | |
| cottonshop.kz | September 26, 2026 |
How many websites use Outlook Web App?
We found Outlook Web App on 988 websites in our September 2026 crawl, across 115 countries.
Which countries use Outlook Web App the most?
By number of websites, the top countries are United States (22%, 220 sites), Russia (9%, 90 sites), Germany (9%, 89 sites), United Kingdom (4%, 35 sites) and Switzerland (3%, 31 sites). Together they account for 47% of the 988 Outlook Web App sites we track. 87% of the sites are in English, and .com is the most used domain ending, on 26% of them.
Where are Outlook Web App websites hosted?
The networks carrying the most Outlook Web App sites are AT&T Enterprises, LLC (22 sites), Deutsche Telekom AG (16 sites) and Comcast Cable Communications, LLC (15 sites).
What technologies are used with Outlook Web App?
Across the 988 Outlook Web App sites we track, the technologies most often found alongside it are Microsoft ASP.NET (100%, 988 sites), Windows Server (83%, 821 sites), IIS (83%, 819 sites), jQuery (18%, 176 sites) and HSTS (16%, 163 sites).
Breakdown of Outlook Web App websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
Microsoft ASP.NET | 988 |
Windows Server | 821 |
IIS | 819 |
jQuery | 176 |
| HSTS | 163 |
PHP | 117 |
Bootstrap | 109 |
Apache HTTP Server | 89 |
Nginx | 70 |
|
jQuery Migrate | 64 |
Google Analytics | 58 |
MySQL | 56 |
WordPress | 56 |
Cloudflare | 40 |
HTTP/3 | 40 |
Modernizr | 39 |
reCAPTCHA | 38 |
Slick | 32 |
jQuery UI | 32 |
jsDelivr | 24 |
Google Hosted Libraries | 23 |
cdnjs | 23 |
Popper | 22 |
Google Tag Manager | 20 |
Yoast SEO | 20 |
| Language | Sites |
|---|---|
| English | 855 |
| Spanish | 21 |
| German | 15 |
| Russian | 11 |
| French | 10 |
| Chinese | 9 |
| Portuguese | 7 |
| Italian | 5 |
| Catalan | 3 |
| Czech | 3 |
| Latin | 3 |
| Turkish | 3 |
| Vietnamese | 3 |
| Arabic | 2 |
| Bosnian | 2 |
| Icelandic | 2 |
| Malay | 2 |
| Dutch | 2 |
| Norwegian Bokmål | 2 |
| Afrikaans | 1 |
| Bulgarian | 1 |
| Danish | 1 |
| Greek | 1 |
| Esperanto | 1 |
| Persian | 1 |
| ASN | Sites |
|---|---|
| AT&T Enterprises, LLC | 22 |
| Deutsche Telekom AG | 16 |
| Comcast Cable Communications, LLC | 15 |
| OVH SAS | 15 |
| Cloudflare, Inc. | 13 |
| Charter Communications Inc | 12 |
| Amazon.com, Inc. | 10 |
| Vodafone GmbH | 10 |
| PVimpelCom | 9 |
| Chinanet | 8 |
| Data Communication Business Group | 8 |
| Sunrise GmbH | 8 |
| M3 Consulting LLC | 7 |
| Microsoft Corporation | 7 |
| Rostelecom | 7 |
| Verizon Business | 7 |
| dogado GmbH | 7 |
| Hetzner Online GmbH | 6 |
| IONOS SE | 6 |
| Telefonica De Espana S.a.u. | 6 |
| Aussie Broadband | 5 |
| Hangzhou Alibaba Advertising Co.,Ltd. | 5 |
| Shaw Communications | 5 |
| Bell Canada | 4 |
| COLT Technology Services Group Limited | 4 |
| TLD | Sites |
|---|---|
| com | 261 |
| org | 72 |
| net | 64 |
| ru | 63 |
| de | 57 |
| ch | 25 |
| uk | 21 |
| br | 18 |
| us | 18 |
| ar | 14 |
| nl | 14 |
| it | 13 |
| se | 13 |
| za | 12 |
| au | 11 |
| fr | 11 |
| at | 10 |
| ca | 10 |
| tr | 9 |
| cn | 8 |
| dk | 8 |
| es | 8 |
| pe | 8 |
| pl | 8 |
| tw | 8 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 220 |
| 🇷🇺 Russia | 90 |
| 🇩🇪 Germany | 89 |
| 🇬🇧 United Kingdom | 35 |
| 🇨🇭 Switzerland | 31 |
| 🇫🇷 France | 26 |
| 🇨🇦 Canada | 25 |
| 🇨🇳 China | 25 |
| 🇧🇷 Brazil | 20 |
| 🇳🇱 Netherlands | 20 |
| 🇪🇸 Spain | 18 |
| 🇮🇹 Italy | 18 |
| 🇦🇺 Australia | 17 |
| 🇦🇷 Argentina | 15 |
| 🇦🇹 Austria | 15 |
| 🇹🇷 Turkey | 15 |
| Unknown | 15 |
| 🇸🇪 Sweden | 14 |
| 🇿🇦 South Africa | 14 |
| 🇩🇰 Denmark | 12 |
| 🇹🇼 Taiwan | 12 |
| 🇵🇱 Poland | 9 |
| 🇵🇪 Peru | 8 |
| 🇻🇳 Vietnam | 8 |
| 🇧🇩 Bangladesh | 7 |
Other technologies in Webmail
Webmail technologies run on 0.01% of the websites we track. Outlook Web App ranks #2 of 8, on 14.29% of Webmail sites.
RoundCube
3,826 sites, 55.35%
Zimbra
913 sites, 13.21%
Zadarma
693 sites, 10.02%
RainLoop
332 sites, 4.8%
SquirrelMail
141 sites, 2.04%
CrossBox
17 sites, 0.25%
Sympa
10 sites, 0.14%
FAQ
Answers drawn from our latest crawl of Outlook Web App websites. Anything else, email us and we will look it up.
Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.