Microsoft's tech stack
What does Microsoft use?
Microsoft (xamarin.com) uses at least 6 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents and Mailchimp Transactional for email delivery. Last checked .
- Industry
- Software
- Size
- 201–1,000 employees
- Based in
- San Francisco, United States
- Founded
- 2011
- Company page
- Tools found
- 6
- Categories
- 5
- Layers
- 3 of 5
- Last checked
- Oct 2026
Microsoft'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
1 tool, where the bytes are served from
Hosting & Cloud
Go-to-market
2 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
3 tools, what the team runs on day to day
Email Delivery
Microsoft tech stack FAQ
What tools does Microsoft use?
We've found 6 tools at Microsoft (xamarin.com). Edge & Hosting: Microsoft Azure. Go-to-market: Meta Pixel. Company Ops: Microsoft 365, Google Workspace and Mailchimp Transactional. Last checked October 2, 2026.
What cloud does Microsoft run on?
Microsoft uses Microsoft Azure for hosting. We found Microsoft Azure through custom domain, DNS records and website code.
What email provider does Microsoft use?
Microsoft uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through DNS verification records and email records.
Does Microsoft use Microsoft 365?
Yes. We found Microsoft 365 at Microsoft through DNS verification records and email records. Microsoft 365 is used by 245,233 companies we track.
How does runsonwhat know what Microsoft uses?
We read public traces only: Microsoft's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.