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Which European companies use Microsoft 365 Mail?

CipherCue tracks European organisations (EU27, EFTA, UK, Ukraine) 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.

Europe only All regions

A few European organisations observed

Show me every European organisation using Microsoft 365 Mail. Free, no credit card.

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Show me every European organisation using Microsoft 365 Mail

Free, no credit card. Filter and view every European 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.