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Claude Cowork VS Microsoft 365 Copilot_

As of 4 November 2026, Microsoft 365 Copilot is named by 456 companies and Claude Cowork by 373; Claude Cowork skews to companies under 200 people (41% vs 19%), Microsoft 365 Copilot to companies over 1,000 (55% vs 31%).

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: Claude Cowork's script and mail records show on hundreds of thousands of small sites, Microsoft 365 Copilot rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Claude Cowork: 2–200 employees
41%
Microsoft 365 Copilot: 2–200 employees
19%
Claude Cowork: 1,000+ employees
31%
Microsoft 365 Copilot: 1,000+ employees
55%
Postings per company, 90 days
2.1 · 2.9
Website or DNS footprint
0 · 0
373companies name Claude Cowork
456companies name Microsoft 365 Copilot
37name both
784 · 1,309postings in 90 days, Claude Cowork · Microsoft 365 Copilot
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
SegmentClaude CoworkshareMicrosoft 365 CopilotshareLeans
Self-employed133%82%even
2-10 employees318%143%Claude Cowork
11-50 employees4211%286%Claude Cowork
51-200 employees8122%4410%Claude Cowork
201-500 employees5715%5512%Claude Cowork
501-1000 employees339%5713%Microsoft 365 Copilot
1001-5000 employees6417%10924%Microsoft 365 Copilot
5001-10000 employees195%4911%Microsoft 365 Copilot
10,001+ employees339%9220%Microsoft 365 Copilot
By industry
SegmentClaude CoworkshareMicrosoft 365 CopilotshareLeans
Technology & software15542%8819%Claude Cowork
Business & finance services10227%14732%Microsoft 365 Copilot
Manufacturing & industry257%9320%Microsoft 365 Copilot
Media & content164%123%even
Public, community & associations144%153%even
Consumer services & leisure133%215%even
Property & construction133%123%even
Utilities & infrastructure113%174%even
Commerce & trade103%215%even
Hospitality & travel51%82%even
Health care41%––outside top 12
Transport, logistics & rental31%61%even
Automotive––92%outside top 12
By country
SegmentClaude CoworkshareMicrosoft 365 CopilotshareLeans
United States25568%25355%Claude Cowork
Germany246%399%Microsoft 365 Copilot
United Kingdom185%307%even
Canada113%235%Microsoft 365 Copilot
France113%164%even
Australia51%102%even
Brazil41%––outside top 12
Spain41%41%even
Japan41%––outside top 12
Austria31%41%even
Denmark31%102%even
Netherlands21%82%even
Poland––61%outside top 12
Switzerland––41%outside top 12
Postings by team (share of each tool's postings)
SegmentClaude CoworkshareMicrosoft 365 CopilotshareLeans
Data & AI17318%24117%even
Product, program & project management849%947%Claude Cowork
IT operations & business systems798%36225%Microsoft 365 Copilot
Sales697%816%even
Finance & accounting687%352%Claude Cowork
Software engineering687%987%even
Marketing & communications637%171%Claude Cowork
General management & consulting364%352%even
Customer service & success293%111%Claude Cowork
Business development & strategy253%131%even
Human resources243%60%Claude Cowork
Engineering (non-software)111%211%even
Administration & office101%141%even
Education & training81%50%even
Design & UX71%40%even
Legal, compliance & risk71%50%even
research and science71%––outside top 12
construction and civil40%30%even
healthcare support and caregiving20%––outside top 12
hospitality and food service20%20%even
personal care and wellness20%––outside top 12
procurement and purchasing10%50%even
real estate and property10%––outside top 12
Unclassified10%81%even
logistics warehouse and transport––40%outside top 12
Quality, safety & environment––40%outside top 12
arts media and entertainment––10%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 365 Copilot is named by 456 companies in job postings and Claude Cowork by 373; 37 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/claude-cowork-vs-microsoft-365-copilot)
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

Claude Cowork vs Microsoft 365 Copilot: questions

Which is more used, Claude Cowork or Microsoft 365 Copilot?

By companies naming it in their own job postings, Microsoft 365 Copilot (456) over Claude Cowork (373). By website-and-DNS footprint, Microsoft 365 Copilot (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Claude Cowork?

41% of Claude Cowork companies have 2 to 200 employees, against 19% for Microsoft 365 Copilot. 31% of Claude Cowork companies have over 1,000 employees, against 55% for Microsoft 365 Copilot.

Do companies run both?

37 companies name both in their postings, usually Claude Cowork in marketing and Microsoft 365 Copilot 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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