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
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Microsoft Exchange Online | share | Microsoft Outlook | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 16 | 1% | 361 | 1% | even |
| 2-10 employees | 82 | 6% | 2,097 | 7% | even |
| 11-50 employees | 143 | 10% | 3,480 | 11% | even |
| 51-200 employees | 267 | 19% | 7,542 | 24% | Microsoft Outlook |
| 201-500 employees | 274 | 19% | 6,129 | 19% | even |
| 501-1000 employees | 203 | 14% | 3,897 | 12% | even |
| 1001-5000 employees | 249 | 17% | 5,054 | 16% | even |
| 5001-10000 employees | 70 | 5% | 1,188 | 4% | even |
| 10,001+ employees | 135 | 9% | 1,767 | 6% | Microsoft Exchange Online |
| Segment | Microsoft Exchange Online | share | Microsoft Outlook | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 370 | 26% | 2,306 | 7% | Microsoft Exchange Online |
| Business & finance services | 300 | 21% | 6,450 | 20% | even |
| Manufacturing & industry | 225 | 16% | 5,044 | 16% | even |
| Health care | 82 | 6% | 3,059 | 10% | Microsoft Outlook |
| Commerce & trade | 80 | 6% | 1,876 | 6% | even |
| Property & construction | 72 | 5% | 3,548 | 11% | Microsoft Outlook |
| Public, community & associations | 67 | 5% | 3,120 | 10% | Microsoft Outlook |
| Utilities & infrastructure | 62 | 4% | 1,019 | 3% | even |
| Consumer services & leisure | 58 | 4% | 1,748 | 6% | even |
| Transport, logistics & rental | 40 | 3% | 979 | 3% | even |
| Media & content | 34 | 2% | – | – | outside top 12 |
| Automotive | 22 | 2% | 877 | 3% | even |
| Hospitality & travel | – | – | 682 | 2% | outside top 12 |
| Segment | Microsoft Exchange Online | share | Microsoft Outlook | share | Leans |
|---|---|---|---|---|---|
| United States | 723 | 50% | 20,876 | 66% | Microsoft Outlook |
| Germany | 208 | 14% | 2,378 | 8% | Microsoft Exchange Online |
| United Kingdom | 100 | 7% | 1,659 | 5% | even |
| Canada | 56 | 4% | 1,528 | 5% | even |
| France | 39 | 3% | 569 | 2% | even |
| Netherlands | 32 | 2% | 320 | 1% | even |
| Australia | 30 | 2% | 450 | 1% | even |
| Switzerland | 22 | 2% | 166 | 1% | even |
| Belgium | 18 | 1% | 167 | 1% | even |
| India | 15 | 1% | 209 | 1% | even |
| Spain | 12 | 1% | – | – | outside top 12 |
| Italy | 12 | 1% | – | – | outside top 12 |
| Brazil | – | – | 230 | 1% | outside top 12 |
| Austria | – | – | 169 | 1% | outside top 12 |
| Segment | Microsoft Exchange Online | share | Microsoft Outlook | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 2,558 | 75% | – | – | outside top 12 |
| Engineering (non-software) | 127 | 4% | 9,376 | 4% | even |
| Software engineering | 79 | 2% | – | – | outside top 12 |
| Customer service & success | 69 | 2% | 7,263 | 3% | even |
| Product, program & project management | 45 | 1% | 5,890 | 3% | even |
| Data & AI | 20 | 1% | – | – | outside top 12 |
| Sales | 16 | 0% | 15,220 | 7% | Microsoft Outlook |
| General management & consulting | 14 | 0% | – | – | outside top 12 |
| Unclassified | 8 | 0% | – | – | outside top 12 |
| Administration & office | 4 | 0% | 23,997 | 10% | Microsoft Outlook |
| facilities cleaning and security | 4 | 0% | – | – | outside top 12 |
| skilled trades and field service | 4 | 0% | 9,025 | 4% | Microsoft Outlook |
| Legal, compliance & risk | 3 | 0% | – | – | outside top 12 |
| Marketing & communications | 3 | 0% | 5,743 | 3% | Microsoft Outlook |
| arts media and entertainment | 2 | 0% | – | – | outside top 12 |
| Business development & strategy | 2 | 0% | – | – | outside top 12 |
| Finance & accounting | 2 | 0% | 14,213 | 6% | Microsoft Outlook |
| Quality, safety & environment | 2 | 0% | 6,446 | 3% | Microsoft Outlook |
| construction and civil | 1 | 0% | 7,028 | 3% | Microsoft Outlook |
| Design & UX | 1 | 0% | – | – | outside top 12 |
| healthcare clinical | – | – | 19,287 | 8% | outside top 12 |
| logistics warehouse and transport | – | – | 9,131 | 4% | outside top 12 |
The companies behind each column
Companies using Microsoft Exchange Online →
Companies using Microsoft Outlook →
Scheduling ranked →
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)
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.
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.
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