runsonwhat

Microsoft's tech stack

What does Microsoft use?

Microsoft (xandr.com) uses at least 17 tools we can see from public records, including Microsoft Azure for hosting, Microsoft 365 for email and documents, Salesforce for sales and LivePerson for customer support. 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
2018
LinkedIn
Company page
Re-check liveVisit xandr.com
Tools found
17
Categories
10
Layers
4 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

Data & Observability

1 tool, what they measure and store

Analytics

Go-to-market

7 tools, how they find and keep customers

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

6 tools, what the team runs on day to day

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 17 tools at Microsoft (xandr.com) in public records. Edge & Hosting: Cloudflare, Fastly and Microsoft Azure. Data & Observability: Microsoft Clarity. Go-to-market: Microsoft Ads, LinkedIn Insight Tag and TikTok Pixel. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 10, 2026.

What cloud does Microsoft run on?

Microsoft uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through Microsoft Azure code on xandr.com. Microsoft Azure is used by 44,519 companies runsonwhat tracks.

What CRM does Microsoft use?

Microsoft uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through a subdomain that points at Salesforce. Salesforce is used by 32,937 companies runsonwhat tracks.

What email provider does Microsoft use?

Microsoft uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 694,668 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 xandr.com. LivePerson is used by 607 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 xandr.com. Microsoft Clarity is used by 123,709 companies runsonwhat tracks.

Does Microsoft use Cloudflare?

Yes. runsonwhat found Cloudflare at Microsoft through a subdomain that points at Cloudflare. Cloudflare is a CDN & Edge tool used by 686,347 companies runsonwhat tracks.

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

The companies with the stacks most like Microsoft's are Talktalk, Giant Pay, Stelrad and Tire Rack, according to runsonwhat (October 2026). Each shares 4 to 9 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 17 tools at Microsoft, 7 were found through DNS records, 7 through code on xandr.com and 3 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and xandr.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.