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Which companies use Microsoft 365 Mail?

CipherCue tracks organisations observed running Microsoft 365 Mail on their public infrastructure, detected through HTTP fingerprinting, response headers, and service banners. Sign up free, no credit card, to see the full list.

A few organisations observed

Show me everyone using Microsoft 365 Mail. Free, no credit card.

Aeries Technology
Consulting / GCC US
aeriestechnology.com
Amgen Inc.
Healthcare US
amgen.com
BidX1
Property Marketplace IE
bidx1.com
 Show me Locked Locked Locked Locked Locked

Show me everyone using Microsoft 365 Mail

Free, no credit card. Filter and view every organisation observed running Microsoft 365 Mail, alongside their full tech stack, hosting geography, and observed change history.

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How this is observed: CipherCue continuously probes the public-facing infrastructure of tracked organisations. Microsoft 365 Mail is detected via HTTP response headers, HTML fingerprints, and TCP service banners. Each observation is timestamped and stored alongside its evidence. See the observation methodology for full detail.