It's easy to download a PDF document on an iPhone and save it to an app like Apple Books or iCloud Files. Here's how to do it.

Whether you've captured a picture-perfect moment with your brand-new iPhone 16 Pro or snapped a quick shot of a document with an iPhone that has a few years in the game, those files were saved in HEIC ...

You can digitally sign a PDF in several different ways, including Adobe Acrobat, Apple's Preview app, and mobile apps, among ...