Saving items like notes, documents, and photos to the Files app on your iPhone can help you view and manage several things from one app. Here's how to save items to the Files app, which will help you stay organized. If you use Finder on your Mac, you'll notice that the Files app works in a similar way for your iPhone. By saving items to the Files app, you can use Files as a hub to view or share multiple things from this single app. With the Files app, you'll be able to save items to your iCloud Drive (after you've set up iCloud Drive) or a folder under On This iPhone.