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.
- Remoraemail-mx: Microsoft 365 → Other · Oct 4, 2026
Recently adopted Microsoft 365
- Airtableemail-spf: Google Workspace, Mailgun, Salesforce → Google Workspace, Mailgun, Microsoft 365, Salesforce · Oct 7, 2026
Current Microsoft 365 footprint (8)
- Airtableemail sender (SPF) · Productivity Software
- Heart Aerospaceemail (MX) · email sender (SPF) · Climate
- Huduemail (MX) · email sender (SPF) · SaaS
- Newfrontemail (MX) · email sender (SPF) · Fintech
- Onshoreemail (MX) · email sender (SPF) · Finance and Accounting
- Poolsideemail sender (SPF) · Artificial Intelligence
- Remoraemail sender (SPF) · Carbon Capture and Removal
- Sphere Secure Workspaceemail (MX) · email sender (SPF) · Security
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.