Step 1: Add DVD video or audio files
If the DVD movie you need to copyis on your disc drive, click on the "Open DVD" button.

Step 2: Choose output format
To choose the proper profile look for the drop-down list of "Profile" option on the right. Choose the profile that suits you best. Like for instance if you want to play the video in MPEG-4 choose the iPhone MPEG-4 Video from the list of profiles.

Step 3: Copy DVD to iPhone
Click on the "Convert" button to start copying DVD to iPhone. After the conversion is complete, go to the Folder button on the main menu to get the converted video/audio files.

Read Guide: How to Convert DVD to iPhone?