Support software:
Cute Video Converter:Any video to any video conversion software.
Cute Zune Video Converter:Convert any video to zune video format.
Cute MP4 Video Converter:Convert any video to zune video format.
Cute AVI Converter:Convert any video to zune video format.

Step-by-step Guide: How to convert video to Zune.

Step 1: Free download the Zune video format converter and install it in your PC, and then run it. 

Step 2.Add video files by clicking "Add" button in the main interface.

Step 3.Choose output format:"Zune MPEG-4 AVC Video " by clicking "Output Format" drop down list box.

You may select many advanced options such as frame size,bit rate, sample rate etc. by click the "Settings" button.
Click "Browse" button to choose output folder for saving your converted MP4 files.

Step 4.Click "Convert" button!

Step5:Finish
Click "Open" button to open the output folder.