Outlook Web App

Category - Web Mail

Outlook Web App is the mail client for subscribers of Office 365 for Business and Exchange Online. Organize and answer email with short voice responses or simple swipes.

We have discovered 24,407 live websites that are using Outlook Web App.

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Technology usage statistics

Websites using Outlook Web App 24,407 websites
Most popular in the country United States of America
Market position in Web Mail #98
Market share in Web Mail <0.1%
Most popular version 14

Technology adoption

Recent changes in Outlook Web App usage. (See Outlook Web App Usage Changes report)
Websites that added Outlook Web App +159
Websites that dropped Outlook Web App -233
Websites that changed version of Outlook Web App 32

Distribution by websites popularity

Outlook Web App detection in the top websites by popularity
Top 10k sites 5 websites
Top 100k sites 18 websites
Top 1m sites 198 websites

Websites utilizing Outlook Web App

Top websites that use Outlook Web App

Domain Country Rank Contacts
outlook.live.com United States of America 1,610
outlook.office365.com United States of America 1,859
outlook.com United States of America 3,440
www.outlook.com United States of America 3,440
outlook.office.com United States of America 4,336
recht.nrw.de Germany 14,615
See full domain list
Flat price per the report, subscription is not required.

Market Share

Outlook Web App market share within the Web Mail category

Geographical Distribution

Technology usage distribution by websites across the globe.


  • 14 (43 subversions, 1,617 domains)