Office browser extension puts an icon on the Microsoft Edge toolbar that gives you direct access to your Office files, whether they are stored online or on your computer. Office web extension can open files stored in OneDrive and OneDrive for Business. You get the features of Word, Excel, PowerPoint, OneNote, and Sway right in your browser without needing Office installed. By installing the app, you agree to these terms and conditions: PLEASE NOTE: Refer to your license terms for Microsoft Office browser extension software (the "software") to identify the entity licensing this supplement to you and for support information. You may use a copy of this supplement with each validly licensed copy of the software. You may not use the supplement if you do not have a license for the software. The license terms for the software apply to your use of this supplement.