runsonwhat

Microsoft's tech stack

What does Microsoft use?

Microsoft (appnexus.com) uses at least 16 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, LivePerson for customer support and Microsoft Clarity for analytics. Last checked .

“Microsoft Advertising helps businesses reach customers across Microsoft properties and partner sites.”

Industry
Advertising
Size
1,001–5,000 employees
Based in
Redmond, United States
Founded
2007
LinkedIn
Company page
Re-check liveVisit appnexus.com
Tools found
16
Categories
12
Layers
5 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

3 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

1 tool, what the product is built with

AI

Data & Observability

2 tools, what they measure and store

Monitoring

Analytics

Go-to-market

6 tools, how they find and keep customers

Marketing

Ads & Pixels

Support & Docs

Company Ops

4 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Companies like Microsoft also use

Tools common among companies with a similar stack that we haven't found at Microsoft.

Companies with a stack like Microsoft's

Ranked by shared tools, with rare tools counting more.

More Advertising companies

Other Advertising companies we've checked.

Microsoft tech stack FAQ

What tools does Microsoft use?

As of October 2026, runsonwhat has found 16 tools at Microsoft (appnexus.com) in public records. Edge & Hosting: Fastly, Microsoft Azure and Pantheon. Data & Observability: Microsoft Clarity and Atlassian Statuspage. Go-to-market: Microsoft Ads, LinkedIn Insight Tag and TikTok Pixel. Company Ops: Microsoft 365, Atlassian and Mailchimp Transactional. Last checked October 9, 2026.

What cloud does Microsoft run on?

Microsoft uses Microsoft Azure for hosting and cloud infrastructure, alongside Pantheon, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through Microsoft Azure code on appnexus.com. Microsoft Azure is used by 44,473 companies runsonwhat tracks.

What email provider does Microsoft use?

Microsoft uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 694,564 companies runsonwhat tracks.

What does Microsoft use for customer support?

Microsoft uses LivePerson for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found LivePerson through LivePerson code on appnexus.com. LivePerson is used by 596 companies runsonwhat tracks.

What analytics tools does Microsoft use?

Microsoft uses Microsoft Clarity for analytics, according to runsonwhat (October 2026). runsonwhat found Microsoft Clarity through Microsoft Clarity code on appnexus.com. Microsoft Clarity is used by 122,481 companies runsonwhat tracks.

What marketing software does Microsoft use?

Microsoft uses Marketo for marketing, according to runsonwhat (October 2026). runsonwhat found Marketo through a subdomain that points at Marketo and email records. Marketo is used by 8,373 companies runsonwhat tracks.

Does Microsoft use Microsoft Ads?

Yes. runsonwhat found Microsoft Ads at Microsoft through Microsoft Ads code on appnexus.com. Microsoft Ads is a Ads & Pixels tool used by 112,944 companies runsonwhat tracks.

Which companies have a tech stack similar to Microsoft's?

The companies with the stacks most like Microsoft's are Champion Opco, alkosto, American Health Network and Lombard, according to runsonwhat (October 2026). Each shares 5 to 6 tools with Microsoft, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Microsoft uses?

runsonwhat reads public records only. Of the 16 tools at Microsoft, 7 were found through code on appnexus.com, 4 through DNS records, 2 through email records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and appnexus.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.