Previewing files is about to get a lot easier for Office 365 users, as Microsoft has added a new switcher to Edge that allows users to open presentations, spreadsheets, and documents directly from within. Navigator. First discovered by Reddit user Leopeva64-2, the new toggle is currently available in Canary builds of the software giant's browser, which means Stable and Beta Edge users won't be able to try it out just yet. Once activated, clicking on an Office file will open it in a new tab where users can read the file without Edge downloading it first. However, there is also an option to download the file for those who want to save a copy to their device, as well as an option to save it to OneDrive. Users will even be able to print Office files without downloading directly from Edge. Essentially, this new feature will work in the same way that Edge and other browsers open PDFs that can be previewed without downloading.