Quantcast Top 10k1,315 of 10,000
Quantcast Top 100k10,980 of 100,000
BuiltWith Top Million52,749 of 802,560
Entire Internet2,601,960 of 374,478,977
Log in or Sign up for Free to see Office 365 Mail history back another year to September 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
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.
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 2,601,960 live websites using Office 365 Mail in our records.
View Website List
Get a list of websites using Office 365 Mail
Sign up for Free
Microsoft Exchange Online
Rackspace Email Hosting
Log in or Sign up for Free to see additional categories and competitors.
Browse groups of technologies that we track.