16,223 websites using Microsoft 365 (2026) • Hunter

The websites using Microsoft 365

A sample of the websites Hunter detects Microsoft 365 on, ordered by web popularity.

	Domain name	Industry
1	cloudflare.com	Computer and Network Security	436 email addresses
2	github.com	Software Development	4,735 email addresses
3	paypal.com	Software Development	19,121 email addresses
4	adobe.com	Software Development	85,716 email addresses
5	godaddy.com	Technology, Information and Internet	2,558 email addresses
6	tripadvisor.com	Software Development	1,040 email addresses
7	dropbox.com	Software Development	495 email addresses
8	forbes.com	Book and Periodical Publishing	940 email addresses
9	icann.org	Technology, Information and Internet	2,112 email addresses
10	who.int	International Affairs	9,181 email addresses
11	bbc.co.uk	Broadcast Media Production and Distribution	11,449 email addresses
12	ibm.com	IT Services and IT Consulting	196,208 email addresses
13	zoom.us	Software Development	366 email addresses
14	bloomberg.com	Financial Services	177 email addresses
15	slack.com	Technology, Information and Internet	79 email addresses
16	marriott.com	Hospitality	51,879 email addresses
17	npr.org	Broadcast Media Production and Distribution	1,935 email addresses
18	cnn.com	Broadcast Media Production and Distribution	2,403 email addresses
19	kvk.nl	Government Administration	784 email addresses
20	newsweek.com	Online Audio and Video Media	645 email addresses
21	businesswire.com	Public Relations and Communications Services	254 email addresses
22	gartner.com	Information Services	18,170 email addresses
23	cisco.com	Software Development	101,563 email addresses
24	barnesandnoble.com	Retail	173 email addresses
25	nielsen.com	Technology, Information and Media	4,500 email addresses
26	one.com	Software Development	172 email addresses
27	discord.com	Software Development	496 email addresses
28	atlassian.com	Software Development	11,442 email addresses
29	shutterstock.com	Technology, Information and Internet	1,285 email addresses
30	mayoclinic.org	Hospitals and Health Care	1,108 email addresses
31	adr.org	Alternative Dispute Resolution	285 email addresses
32	economist.com	Newspaper Publishing	1,066 email addresses
33	oecd.org	International Affairs	3,167 email addresses
34	cms.gov	Government Administration	250 email addresses
35	teamviewer.com	Software Development	1,383 email addresses
36	mckinsey.com	Business Consulting and Services	6,786 email addresses
37	digicert.com	Computer and Network Security	1,241 email addresses
38	ky.gov	Government Administration	8,946 email addresses
39	hyatt.com	Hospitality	8,377 email addresses
40	espn.com	Broadcast Media Production and Distribution	6,687 email addresses
41	fao.org	Non-profit Organizations	15,960 email addresses
42	comscore.com	Software Development	407 email addresses
43	ups.com	Truck Transportation	77,448 email addresses
44	cvent.com	Software Development	2,466 email addresses
45	lenovo.com	IT Services and IT Consulting	8,030 email addresses
46	swoop.com	Hospitals and Health Care	146 email addresses
47	canva.com	Software Development	2,085 email addresses
48	walmart.com	Retail	174,184 email addresses
49	thehill.com	Online Audio and Video Media	140 email addresses
50	zillow.com	Real Estate	653 email addresses

You have 16,223 sites. Now reach the people.

Hunter already holds email addresses at all 50 websites listed above.

Amanda S. · Director Solutions Cloudflare

a****@cloudflare.com 84%
Alaine N. · Director of Events GitHub

a****@github.com 85%
Sanjana S. · Head of University Recruitment PayPal

s****@paypal.com 85%

Real people at the websites listed above. Only the part before the @ is hidden here — the company domain is the real one.

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Who uses Microsoft 365

Websites running Microsoft 365, counted by industry and by country. Only the largest groups are shown.

By industry

Industry	Websites
Professional Services	3,682
Manufacturing	1,988
Technology, Information and Media	1,669
Financial Services	1,370
Consumer Services	1,031
Hospitals and Health Care	907
Government Administration	835
Administrative and Support Services	693
Construction	475
Entertainment Providers	436
Retail	427
Transportation, Logistics, Supply Chain and Storage	386

By country

Country	Websites
United States	7,507
United Kingdom	1,370
Canada	1,179
Germany	1,109
Netherlands	551
Australia	481
France	405
Switzerland	330
Sweden	316
Spain	292
Brazil	222
Italy	186

Microsoft 365 by country

The countries where we detected enough Microsoft 365 websites to rank them.

United States of America (7,507)
United Kingdom of Great Britain and Northern Ireland (1,370)
Canada (1,179)
Germany (1,109)
Netherlands (551)
Australia (481)
France (405)
Switzerland (330)
Sweden (316)
Spain (292)
Brazil (222)
Italy (186)

Microsoft 365 FAQs

Browse every technology

Hunter detects Microsoft 365 on 16,223 websites. The figure comes from Hunter's own crawl of company websites and is rebuilt every night, so it moves as sites adopt and drop the technology.

The table on this page is a sample of the websites running Microsoft 365, ordered by web popularity, with the industries they are in and how many email addresses Hunter holds for each. Create a free account to search any of them and see the addresses.

The websites Hunter detects Microsoft 365 on most often also run Microsoft Excel, Microsoft Office and jQuery.

Microsoft 365 is one of the Productivity technologies Hunter tracks. Others it detects widely include Microsoft Excel, Microsoft Office and Microsoft Word.

Yes — that is what Hunter is for. The last column of the table shows how many email addresses Hunter already holds for a website, where it has found any. Sign up to see the addresses themselves, with the name and job title of the person behind each one.

Websites using Microsoft 365

What is Microsoft 365?

The websites using Microsoft 365

You have 16,223 sites. Now reach the people.

Who uses Microsoft 365

By industry

By country

Microsoft 365 by country

Microsoft 365 FAQs

Websites using Microsoft 365

What is Microsoft 365?

The websites using Microsoft 365

Commonly used alongside Microsoft 365

You have 16,223 sites. Now reach the people.

Alternatives to Microsoft 365

Who uses Microsoft 365

By industry

By country

Microsoft 365 by country

Microsoft 365 FAQs

How many websites use Microsoft 365?

Which websites use Microsoft 365?

What is commonly used alongside Microsoft 365?

What are the alternatives to Microsoft 365?

Can I find email addresses at the companies using Microsoft 365?

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