If you are on a ProPlus or E3 Office 365 plan you can download the Office desktop applications on your Mac, PC, or mobile devices. You can install Office on up to 4 devices (in addition to Swizznet).
Follow these links for information on how to set up:
Install Office applications: Install Office on your PC or Mac
Setup mobile devices: Office 365 mobile setup - Help
Having trouble? These troubleshooting resources can help: