Setup for Mobile Devices
Follow the instructions for Microsoft Exchange for your specific mobile device.
Learn how to add your email account to your mobile device, and how to install and set up Office applications like Word, Excel, PowerPoint, and OneNote on your tablet or smartphone.
Select the device you want to set up: Android | iPhone or iPad | Windows Phone or Windows 10 device |Other devices
More resources: Looking for steps to install Office and set up Outlook on your PC or Mac? See Office 365 install and setup - Help.