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Outlook Web App

Outlook on the web is an information manager web app. It includes a web-based email client, a calendar tool, a contact manager, and a task manager.

help.outlook.com

Sites using it
2

Usage over time

Trend data starts with the first full crawl. We take a snapshot of every technology's usage at the end of each monthly crawl cycle, so the first point appears once the current cycle completes and the trend line after the second.

Market share

Share of indexed sites in the category that use Outlook Web App.

2 sites use Outlook Web App

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  • live.comsince 28 Sept 2026
  • hotmail.comsince 28 Sept 2026