Technologies / Microsoft 365 / Microsoft Office 365
Companies using Microsoft 365 and Microsoft Office 365
19 companies in our data have public evidence for both Microsoft 365 and Microsoft Office 365. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.
Companies using one are 3.3 times as likely as the average company in our data to show evidence of the other.
The companies
Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.
Subprocessor listPrivacy policyWebsiteJob postings
| Company | Microsoft 365 | Microsoft Office 365 |
|---|---|---|
The two technologies
Microsoft 365
by Microsoft · ProductivityMicrosoft 365 is a plan that includes productivity apps with Copilot, advanced AI features and cloud storage. It is used for productivity and AI-assisted work.
Summarized from microsoft.com on 8 Nov 2026.
under 1% of the 3,818 companies we see using Microsoft 365 also show the other.
All 3,818 companies using Microsoft 365120 name it as a subprocessorMore in Productivity
Microsoft Office 365
Productivity53% of the 36 companies we see using Microsoft Office 365 also show the other.
All 36 companies using Microsoft Office 36531 name it as a subprocessorMore in Productivity
Industries
Among the companies above, by our own classification of their homepage.
Other pairs
Companies with their own evidence for both.
More with Microsoft 365
Questions
How many companies use both Microsoft 365 and Microsoft Office 365?
19 companies in StrataDB's data have public evidence for both. Our coverage is partial, so the real number is higher.
Which companies use Microsoft 365 and Microsoft Office 365?
1Stream, AddComply, Clearpoint Business Group, CTSO Central and D2L, and 14 more companies. Each one links to the evidence behind it.
How does StrataDB know a company uses Microsoft 365 and Microsoft Office 365?
From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.
Find every company using Microsoft 365 and Microsoft Office 365
See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call