Microsoft had these kinds of capabilities available before in its Office 365 Web apps, but it sometimes meant "jumping between windows or tabs" to get to the functionality.

How to Set Up Microsoft Outlook Web Access. Microsoft Outlook Web App has replaced the previous version of the Web product, known as Outlook Web Access, in the Office 365 platform.

Microsoft plans to expand the list of file extensions that are banned in Outlook for the web (previously known as Outlook Web Access (OWA)). The list, which previously included 104 file extensions ...