Compare · Scheduling

Microsoft Exchange Online VS Microsoft Outlook_

As of 4 November 2026, Microsoft Outlook is named by 31,515 companies and Microsoft Exchange Online by 1,439; Microsoft Exchange Online skews to companies under 200 people (34% vs 42%), Microsoft Outlook to companies over 1,000 (25% vs 32%).

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Microsoft Exchange Online's script and mail records show on hundreds of thousands of small sites, Microsoft Outlook rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Microsoft Exchange Online: 2–200 employees
34%
Microsoft Outlook: 2–200 employees
42%
Microsoft Exchange Online: 1,000+ employees
32%
Microsoft Outlook: 1,000+ employees
25%
Postings per company, 90 days
1.9 · 5.7
Website or DNS footprint
0 · 0
1,439companies name Microsoft Exchange Online
31,515companies name Microsoft Outlook
184name both
2,712 · 180,357postings in 90 days, Microsoft Exchange Online · Microsoft Outlook
02 — Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentMicrosoft Exchange OnlineshareMicrosoft OutlookshareLeans
Self-employed161%3611%even
2-10 employees826%2,0977%even
11-50 employees14310%3,48011%even
51-200 employees26719%7,54224%Microsoft Outlook
201-500 employees27419%6,12919%even
501-1000 employees20314%3,89712%even
1001-5000 employees24917%5,05416%even
5001-10000 employees705%1,1884%even
10,001+ employees1359%1,7676%Microsoft Exchange Online
By industry
SegmentMicrosoft Exchange OnlineshareMicrosoft OutlookshareLeans
Technology & software37026%2,3067%Microsoft Exchange Online
Business & finance services30021%6,45020%even
Manufacturing & industry22516%5,04416%even
Health care826%3,05910%Microsoft Outlook
Commerce & trade806%1,8766%even
Property & construction725%3,54811%Microsoft Outlook
Public, community & associations675%3,12010%Microsoft Outlook
Utilities & infrastructure624%1,0193%even
Consumer services & leisure584%1,7486%even
Transport, logistics & rental403%9793%even
Media & content342%––outside top 12
Automotive222%8773%even
Hospitality & travel––6822%outside top 12
By country
SegmentMicrosoft Exchange OnlineshareMicrosoft OutlookshareLeans
United States72350%20,87666%Microsoft Outlook
Germany20814%2,3788%Microsoft Exchange Online
United Kingdom1007%1,6595%even
Canada564%1,5285%even
France393%5692%even
Netherlands322%3201%even
Australia302%4501%even
Switzerland222%1661%even
Belgium181%1671%even
India151%2091%even
Spain121%––outside top 12
Italy121%––outside top 12
Brazil––2301%outside top 12
Austria––1691%outside top 12
Postings by team (share of each tool's postings)
SegmentMicrosoft Exchange OnlineshareMicrosoft OutlookshareLeans
IT operations & business systems2,55875%––outside top 12
Engineering (non-software)1274%9,3764%even
Software engineering792%––outside top 12
Customer service & success692%7,2633%even
Product, program & project management451%5,8903%even
Data & AI201%––outside top 12
Sales160%15,2207%Microsoft Outlook
General management & consulting140%––outside top 12
Unclassified80%––outside top 12
Administration & office40%23,99710%Microsoft Outlook
facilities cleaning and security40%––outside top 12
skilled trades and field service40%9,0254%Microsoft Outlook
Legal, compliance & risk30%––outside top 12
Marketing & communications30%5,7433%Microsoft Outlook
arts media and entertainment20%––outside top 12
Business development & strategy20%––outside top 12
Finance & accounting20%14,2136%Microsoft Outlook
Quality, safety & environment20%6,4463%Microsoft Outlook
construction and civil10%7,0283%Microsoft Outlook
Design & UX10%––outside top 12
healthcare clinical––19,2878%outside top 12
logistics warehouse and transport––9,1314%outside top 12
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Microsoft Outlook is named by 31,515 companies in job postings and Microsoft Exchange Online by 1,439; 184 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/microsoft-exchange-online-vs-microsoft-outlook)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
  • Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
  • SegmentsCountry, size and industry from the company profile built from its website.
  • Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
FAQ

Microsoft Exchange Online vs Microsoft Outlook: questions

Which is more used, Microsoft Exchange Online or Microsoft Outlook?

By companies naming it in their own job postings, Microsoft Outlook (31,515) over Microsoft Exchange Online (1,439). By website-and-DNS footprint, Microsoft Outlook (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Microsoft Exchange Online?

34% of Microsoft Exchange Online companies have 2 to 200 employees, against 42% for Microsoft Outlook. 32% of Microsoft Exchange Online companies have over 1,000 employees, against 25% for Microsoft Outlook.

Do companies run both?

184 companies name both in their postings, usually Microsoft Exchange Online in marketing and Microsoft Outlook in sales, or during a migration.

Where do these numbers come from?

From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.

Companies and people

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