# What does Microsoft 365 use?

Microsoft 365 (microsoft365.com) shows public evidence of 6 tools, according to runsonwhat (last checked 2026-10-20).

- LinkedIn: https://www.linkedin.com/company/3509299

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | DNS records |  |
| [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |

## 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 47,857 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 54,990 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.


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Source: runsonwhat, https://www.runsonwhat.com/company/microsoft365.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.