Michael Potuck, 9to5Mac:
Files replaces the iCloud Drive app in iOS 11 and brings a number of enhancements to working with your files on your iPhone and iPad.
There is a Browse and Recents tab at the bottom of the Files app. In the Browse tab you can easily navigate between files stored on iCloud or on your device, a Recently Deleted location along with Favorites, and Tags. Let’s dive into some of the details.