Companies using Microsoft 365
Detected from public DNS records (email platform / email sender). We snapshot every tracked company and diff it over time — so the switching feed below shows real, dated adoption and churn events, not a static directory.
Recently dropped Microsoft 365
These companies just switched away — the highest-intent moment for a competing vendor to reach out.
- Heart Aerospaceemail-spf: Microsoft 365 → Mailgun · Jul 19, 2026
Recently adopted Microsoft 365
- Heart Aerospaceemail-spf: Mailgun → Mailgun, Microsoft 365 · Jul 19, 2026
Current Microsoft 365 footprint (17)
- Akido Labsemail (MX) · email sender (SPF) · Artificial Intelligence
- AON3Demail (MX) · email sender (SPF) · Hardware
- CarbonChainemail (MX) · email sender (SPF) · Climate
- Cocoonemail sender (SPF) · Team Collaboration
- Cohereemail sender (SPF) · Artificial Intelligence
- Harveyemail sender (SPF) · Artificial Intelligence
- Heart Aerospaceemail (MX) · email sender (SPF) · Climate
- Kernal Biologicsemail (MX) · Artificial Intelligence
- Momenceemail (MX) · email sender (SPF) · Payments
- Newfrontemail (MX) · email sender (SPF) · Fintech
- Onshoreemail (MX) · email sender (SPF) · Finance and Accounting
- OpenAIemail sender (SPF) · Artificial Intelligence
- Poolsideemail sender (SPF) · Artificial Intelligence
- Remoraemail (MX) · email sender (SPF) · Carbon Capture and Removal
- Seedemail (MX) · email sender (SPF) · Fintech
- Sphere Secure Workspaceemail (MX) · email sender (SPF) · Security
- Truebillemail sender (SPF) · Fintech
Get an alert when a company switches Microsoft 365
We'll email you when a tracked company adopts or drops Microsoft 365 (and other provider switches) — the highest-intent moment for a competing vendor to reach out.