Office 365 Mail Usage Statistics

Websites using Office 365 Mail

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
1,038 of 10,000


Quantcast Top 100k
9,039 of 100,000


BuiltWith Top Million
54,149 of 798,551


Entire Internet
2,588,632 of 371,382,881


Log in or Sign up for Free to see Office 365 Mail history back another year to July 2015. View plans for historical access back to August 2015.

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.

We know of 2,588,632 live websites using Office 365 Mail in our records.

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Business Email Hosting

Microsoft Exchange Online

3,159,025 websites

82,569 websites


24,943 websites

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