Top Email Providers in Australia
Microsoft 365, Google Workspace and the rest, ranked across .au domains that have mail configured.
Email providers among domains that run mail
52.8% of domains run email. Of those, Microsoft 365 (30.4%) leads Google Workspace (17.7%); the long tail is self-hosted.
Source: Watchtower (Aug 2026)
Email providers for Education (edu.au) domains
Of the 10,090 edu.au domains that run mail (from 12,326 registered, incl. state namespaces), the biggest share is Microsoft 365 at 44.8%.
Source: Watchtower (Aug 2026)
Email providers for Government (gov.au) domains
Of the 2,960 gov.au domains that run mail (from 5,709 registered, incl. state namespaces), the biggest share is Microsoft 365 at 51.8%.
Source: Watchtower (Aug 2026)
Microsoft 365 vs Google Workspace
Between the two suites, Microsoft 365 takes 63.1% to Google Workspace's 36.9%.
Source: Watchtower (Aug 2026)
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