MP3, M4A, WAV audio, and MOV, MP4, M4V video formats.
If you're running a lower iOS version (earlier than 9.3.5) and have a jailbroken device, you can install iFile using Cydia, the jailbreak app store. However, be aware that jailbreaking may void your device warranty and expose your device to security risks. ifile ipa ios 935 work
Filza is fully compatible with iOS 9.3.5, completely stable, handles modern file formats natively, and does not suffer from registration pop-ups. How to install Filza via Cydia: Open on your jailbroken iOS 9.3.5 device. Tap the Search tab. MP3, M4A, WAV audio, and MOV, MP4, M4V video formats