Office 365 Mail Usage Statistics

Websites using Office 365 Mail

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
1,517 of 10,000


Quantcast Top 100k
12,484 of 100,000


BuiltWith Top Million
69,819 of 793,950


Entire Internet
3,596,552 of 374,453,466


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Email sent from this domain has records showing Office 365 usage.

Categories: Email Hosting Providers · Business Email Hosting

Technology Won
GoDaddy Email 9,073
Microsoft Azure DNS 5,996

This table shows where Office are gaining/losing customers from within the technologies in the same sub-categories of Business Email Hosting. View the full report for more information regarding countries, states and where Office 365 Mail's customers come from.

Physical locations of businesses using Office 365 Mail.


Top 10,000 Sites
Top 100,000 Sites
Top 1 Million Sites

This chart shows the amount of websites within the top 10k, 100k, and 1 million sites groups that are categorized as being in the specific vertical.

We know of 3,596,552 live websites using Office 365 Mail in our records.

View Website List

Get a list of websites using Office 365 Mail

Pro Screenshot

Business Email Hosting

Microsoft Exchange Online

4,416,363 websites

Rackspace Email Hosting

516,259 websites


100,342 websites

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Browse groups of technologies that we track.