Yes, Office 365 is designed to be compatible with a wide range of mobile devices, including smartphones and tablets. Microsoft provides mobile apps for Office 365 that can be downloaded for free from the Apple App Store or Google Play Store, allowing users to access and edit their documents on the go.
The Office 365 mobile apps provide similar functionality to the desktop versions of Office, including features such as real-time collaboration, document sharing, and offline access. Additionally, the mobile apps are optimized for touchscreens, making it easy to create, edit, and format documents using a mobile device.