As of October 10, 2026, TechLeads detects Microsoft Exchange Online on 3,545,708 websites: 45.1% of Business Email Hosting detections, the 2nd most-used of 46 Business Email Hosting technologies we track.
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Citation
TechLeads. "Companies Using Microsoft Exchange Online." Data as of October 10, 2026. https://techleads.fyi/technology/microsoft-exchange-onlineHTML link
<a href="https://techleads.fyi/technology/microsoft-exchange-online">Companies using Microsoft Exchange Online (TechLeads data)</a>Sample results for Microsoft Exchange Online
| Rank | Icon | Website | Title | Description | Company | Country | Language |
|---|---|---|---|---|---|---|---|
| #254 | #1 in audience engagement and community growth | Disqus | More publishers trust us to engage, grow, and understand their audiences than any other. Build your on-site community with Disqus. | - | - | - | ||
| #564 | DuckDuckGo - Protection. Privacy. Peace of mind. | The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs. | - | - | - | ||
| #612 | Variety Australia - The Business of Entertainment | The Business of Entertainment | Variety Australia | - | - | ||
| #959 | - World Match Racing Tour | The world's longest running professional sailing series featuring world championship events across the globe, officially sanctioned by World Sailing. | World Match Racing Tour | US | en-US | ||
| #1,048 | BOE.es - Agencia Estatal Boletín Oficial del Estado | Agencia Estatal Boletín Oficial del Estado | - | - | - | ||
| #1,090 | High-Performance Makeup & Beauty Products | Tarte™ | #1 concealer brand & home of best-selling Shape Tape™ concealer. Shop our makeup featuring cruelty-free, vegan formulas & clinically proven ingredients. | Tarte Cosmetics | - | en | ||
| #1,422 | 株式会社シー・シー・ピー | おもちゃと家電の株式会社シー・シー・ピー | - | - | - | ||
| #1,590 | Home - mapex | - | - | - | - | ||
| #1,653 | Drug and Alcohol Addiction Treatment near Knoxville, TN | English Mountain Recovery | English Mountain Recovery's drug and alcohol addiction treatment programs offer world class care at our East Tennessee rehab facility. | English Mountain Recovery | - | - | ||
| #1,905 | Abbraccionese Maine Coon Cattery in Indiana - Kittens Available! indiana maine coon breeders maine coon breeders in indiana maine coon cattery indiana maine coon kittens for sale near Carmel IN | Maine Coon Cattery in Indiana offering healthy, well-socialized kittens. Contact us for available Maine Coon kittens! indiana maine coon breeders maine coon breeders in indiana maine coon cattery indiana maine coon kittens for sale near Westfield IN | Abbraccionese-GentleID | - | - | ||
| #2,161 | Gaming | Gaming News, Scores, Highlights, Stats, Standings, and Rumors | Bleacher Report | Be the best Gaming fan you can be with Bleacher Report. Keep up with the latest storylines, expert analysis, highlights, scores and more. | Bleacherreport | - | en | ||
| #2,391 | Journal of Writing Assessment | - | - | - | - | ||
| #2,556 | Mad Mimi Email Marketing: Create, Send, And Track HTML Email Newsletters | Mad Mimi makes it simple to send HTML email newsletters, grow your subscribers and manage your email list. Sign up today! | - | - | - | ||
| #2,663 | UN/LOCODE Code List by Country and Territory | UNECE | - | - | - | - | ||
| #2,821 | Coolors - The super fast color palettes generator! | - | - | - | - | ||
| #2,916 | The i Paper - Impartial news & intelligent debate | The i Paper: Impartial news & intelligent debate | - | - | - | ||
| #3,144 | ICC | International Chamber of Commerce | International Chamber of Commerce is the voice of world business championing the global economy as a force for economic growth, job creation and prosperity. | ICC - International Chamber of Commerce | - | - | ||
| #3,187 | WarwickBlogs has been retired | Information about the closure of WarwickBlogs | Warwick | GB | en-GB | ||
| #3,190 | BioTrade | UN Trade and Development (UNCTAD) | We support countries to implement principles that conserve biodiversity, benefit local communities and enable them to diversify their export base through sustainable trade. Business | - | - | - | ||
| #3,234 | Research | The International Association of Privacy Professionals: Policy neutral, we are the world’s largest information privacy organization. | - | - | - | ||
| #3,829 | Speed up Your WordPress Website with WP Rocket | Make your website reach the stars. Use the most powerful caching plugin for WordPress. WP Rocket is easy to use, ready to improve your SEO and conversions. | WP Rocket | - | - | ||
| #3,833 | ZISC – Zurich Information Security and Privacy Center | Ein Bachelor-Studium der ETH Zürich bietet Ihnen eine umfassende und anspruchsvolle Grundbildung in einem technischen oder naturwissenschaftlichen Studiengebiet. | - | - | - | ||
| #3,918 | The world’s largest collection of open access research papers | The world’s largest collection of open access research papers | Core | GB | en | ||
| #4,150 | GBH News | GBH | GBH News is among the fastest growing local news providers in greater Boston and draws on the talent of a multi-platform newsroom that includes 89.7 GBH, Boston’s Local NPR, television and digital reporting. | - | - | - | ||
| #4,155 | Welcome to FUSION | FUSION | Carleton University in Ottawa prepares career-ready graduates with top-ranked programs, cutting-edge research and a thriving campus life. | - | - | - |
Complete Microsoft Exchange Online website dataset in CSV. One-time purchase.
Secure checkout · 7-day download accessDistribution of websites using Microsoft Exchange Online across countries in the TechLeads database.
| Country | Sites |
|---|---|
| United States(US) | 6,929 |
| United Kingdom(GB) | 2,498 |
| Australia(AU) | 804 |
| Germany(DE) | 391 |
| France(FR) | 385 |
| Brazil(BR) | 227 |
| Canada(CA) | 222 |
| Netherlands(NL) | 165 |
| Spain(ES) | 126 |
Technologies most frequently detected on the same websites as Microsoft Exchange Online.
The most-used Business Email Hosting technologies in the TechLeads index, by number of websites. Microsoft Exchange Online accounts for 45.1% of Business Email Hosting detections (3,545,708 websites).
| Technology | Websites | Share of Business Email Hosting |
|---|---|---|
| Office 365 Mail | 3,806,251 | 48.3% |
| Titan Email | 201,558 | 2.6% |
| Proton Mail | 104,798 | 1.3% |
| Namecheap Private Email | 82,414 | 1.0% |
| Mimecast | 38,617 | 0.49% |
| SpamExperts | 34,629 | 0.44% |
| Zoho Mail | 22,955 | 0.29% |
| SpaceMail | 6,371 | 0.08% |
| Zimbra | 4,428 | 0.06% |
| Skymail | 4,026 | 0.05% |
Microsoft Exchange Online market share report: competitors, rank and usage over time
TechLeads scans public websites and identifies Microsoft Exchange Online from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 10, 2026. Counts only include websites we have scanned, so they can differ from other providers.
Cloud-based email hosting service providing Exchange Server functionality including spam filtering via Exchange Online Protection (EOP) for Microsoft 365 subscribers.
www.microsoft.com/en-us/microsoft-365/exchange/exchange-online
185,867 new sites in the last 12 weeks
Cloud-based email hosting service providing Exchange Server functionality including spam filtering via Exchange Online Protection (EOP) for Microsoft 365 subscribers.
Our comprehensive database contains 3,545,708 websites using Microsoft Exchange Online, making it the most complete Microsoft Exchange Online sites list available. This Microsoft Exchange Online customer websites directory helps businesses detect websites using Microsoft Exchange Online and identify potential leads.
The largest concentrations of Microsoft Exchange Online websites are in US, GB, AU, based on our indexed country data.
Websites using Microsoft Exchange Online commonly also use Office 365 Mail, Zendesk, Haravan, Modernizr, jQuery — reflecting typical Microsoft Exchange Online technology stacks.
Our Microsoft Exchange Online technology detection system scans millions of websites to identify those powered by Microsoft Exchange Online. This list of sites with Microsoft Exchange Online includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Microsoft Exchange Online or exploring Microsoft Exchange Online adoption trends, our database provides comprehensive insights.
Each entry in our Microsoft Exchange Online sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Microsoft Exchange Online and reach out to potential customers or partners.
Get instant access to the full list of sites with Microsoft Exchange Online in CSV format. Our dataset includes all 3,545,708 Microsoft Exchange Online customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Microsoft Exchange Online powered websites.
| Japan(JP) | 115 |
| Switzerland(CH) | 95 |
| Italy(IT) | 85 |
| South Africa(ZA) | 73 |
| Sweden(SE) | 61 |
| Colombia(CO) | 60 |
| Denmark(DK) | 55 |
| Belgium(BE) | 50 |
| Portugal(PT) | 46 |
| New Zealand(NZ) | 42 |
| Norway(NO) | 34 |
| Finland(FI) | 30 |
| Czechia(CZ) | 28 |
| India(IN) | 28 |
| Hong Kong SAR China(HK) | 28 |
| Ireland(IE) | 22 |
| Singapore(SG) | 21 |
| Poland(PL) | 20 |
| Hungary(HU) | 19 |
| United Arab Emirates(AE) | 18 |
| Lithuania(LT) | 17 |
Sites where we first detected Microsoft Exchange Online, by week (UTC, weeks start Monday). Counts follow our discovery coverage, so weekly totals can vary.