The Open Document Format (ODF) is a zip-compressed, Extensible Markup Language (XML)-based, Open Source file format for saving and exchanging text, spreadsheets, charts, graphics and presentations.

You can use the Documents by Readdle app to work with files on your device and in the cloud. Apple offers its own Files app as a type of file manager for your iPhone or iPad. The app does let you ...

The Documents app by Readdle is a self-proclaimed super app to organize files across devices and cloud-based platforms, but its strength may also be its weakness. Readdle's Documents app is a popular ...