Microsoft 365's tech stack
What does Microsoft 365 use?
Microsoft 365 (microsoft365.com) uses at least 6 tools we can see from public records, including Microsoft Azure for hosting, Akamai for content delivery and GlobalSign for security. Last checked .
- Company page
- Tools found
- 6
- Categories
- 4
- Layers
- 3 of 5
- Last checked
- Oct 2026
Microsoft 365's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Go-to-market
2 tools, how they find and keep customers
Company Ops
2 tools, what the team runs on day to day
Security & Compliance
Microsoft 365 tech stack FAQ
What tools does Microsoft 365 use?
As of October 2026, runsonwhat has found 6 tools at Microsoft 365 (microsoft365.com) in public records. Edge & Hosting: Microsoft Azure and Akamai. Company Ops: GlobalSign and DigiCert. Last checked October 20, 2026.
What cloud does Microsoft 365 run on?
Microsoft 365 uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through DNS records that point at Microsoft Azure. Microsoft Azure is used by 47,446 companies runsonwhat tracks.
Does Microsoft 365 use GlobalSign?
Yes. runsonwhat found GlobalSign at Microsoft 365 through DNS records that point at GlobalSign. GlobalSign is a Security & Compliance tool used by 55,259 companies runsonwhat tracks.
How does runsonwhat know what Microsoft 365 uses?
runsonwhat reads public records only. Of the 6 tools at Microsoft 365, 4 were found through DNS records, 1 through code on microsoft365.com and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and microsoft365.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.