Questions about Office Online, the suite of web applications from Microsoft

Office Online, formerly Office Web Apps, is a web-based version of most of the Microsoft Office Suite of products. It consists of lightweight, web-based versions of Word, Excel, PowerPoint, and OneNote. It also includes, with its related People and Calendar, as well as OneDrive.

See also:

For questions about the regular Microsoft Office suite, please visit Super User.

For questions about the Android or iPhone/iPad versions of Microsoft Office apps, please visit Android Enthusiasts and Ask Different respectively.