Microsoft's new web-based Outlook client officially launches in preview

Office Insiders can try out the future of Outlook now.

What you need to know


Microsoft's new web-based Outlook client is now official.
It's available today for Insiders in the Office Beta Channel.
The preview is only for commercial accounts; personal coming later.


Microsoft has officially announced its new Outlook client, which is now available in preview for Office Insiders in the Beta Channel. The new app is accessible via a "preview" toggle in the Outlook desktop app. Enabling the toggle will transform the legacy Office app into a new web-based one, featuring new features and a new UI.

The new Outlook client leaked a handful of weeks ago as a standalone client, but today's official preview is only available within the legacy Outlook client. It's likely that Microsoft will release a standalone beta of the new Office app soon, likely when support for personal email accounts is introduced.



New features include an updated Outlook Web interface design, built-in support for Mic...