What is the best alternative to Microsoft 365?

By number of websites, the most widely used alternatives to Microsoft 365 are Google Workspace, mailspamprotection.com, GoDaddy Email, Zoho Mail, ppe-hosted.com. The right one depends on your needs; compare them on adoption, authority, and audience above.

How many alternatives to Microsoft 365 are there?

Site Stats Database tracks 162 other email hosting providers used by 100 or more websites, plus a long tail of rarer ones. Microsoft 365 itself is used by 159,483 websites.

Which email host has the most websites?

Google Workspace leads this category with 230,262 websites in our catalog.

Where does this data come from?

Adoption is counted from Site Stats Database's own crawl; authority (Ahrefs Domain Rating) and traffic come from Ahrefs and DataForSEO. Everything reflects the sites we track and refreshes at least monthly.

Microsoft 365 Alternatives & Competitors

Last updated July 1, 2026 · refreshes automatically as new data lands.

Looking for an alternative to Microsoft 365? Site Stats Database tracks 162 other email hosting providers; the top ones are below, ranked by adoption, with authority and traffic for each and the leading sites that use them. Microsoft 365 itself is used by 159,483 websites. Back to Microsoft 365.

Email Host	Websites	Share	Median DR	Median traffic	Compare

Microsoft 365 Alternatives & Competitors

The top Microsoft 365 alternatives in depth

Google Workspace

mailspamprotection.com

GoDaddy Email

Zoho Mail

ppe-hosted.com

Hostinger Email

Mimecast

Proofpoint

hostedemail.com

cloudflare.net

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