Mobile devices
Windows:
Office Mobile applications (Word, Excel, PowerPoint, OneNote, Outlook Mail, and Outlook Calendar) require Windows 10.
iOS:
Office for iPad® and iPhone® requires iOS 8.0 or later. Office for iPad Pro™ requires iOS 9.0 or later.
Android:
Office for Android™ can be installed on tablets and phones that meet the following criteria: running Android KitKat 4.4 or later version and have an ARM-based or Intel x86 processor.
Mobile browsers:
Any mobile browser supported by Microsoft may be used, including the Intune Managed Browser.
Browsers
Safari, Chrome, and Firefox:
Office 365 is designed to work with the current version of the Safari, Chrome, and Firefox browsers.
Microsoft Edge:
Office 365 is designed to work with the latest version of the Microsoft Edge browser. Microsoft Edge browser updates are available through the Windows Servicing branches. Office 365 might continue to work with versions of the Edge browser older than the latest branch, but Office 365 can’t provide any guarantees.