When sync video files which Zune software doesn't support, Zune software will convert videos so they can play on Zune Device automatically. But Zune software couldn't convert and sync all your videos.

Zune video and audio formats - You can play, burn and sync audio and video files on Zune software that are in these formats:

• Video Formats: .m4v, .mp4, .mov, .dvr-ms, .wmv
• Audio Formats: .m4a, .m4b, .wma, .mp3, .m3u, .zpl

Zune Codec - Zune will play media compressed with the codecs installed on Windows or the Zune software, including

• WMA Standard
• WMA Pro
• WMA Lossless (available for Zune 30 with version 2.1 firmware)
• Advanced Audio Coding (AAC)
• MPEG-1 Audio Layer 3
• MP4pt2 (not available for Zune 30)
• H.264 (not available for Zune 30)
• MPEG-2 (available for Windows Vista Home Premium and Ultimate only and is converted for play on the Zune device during sync)
• WMV8 (supported on Zune 30 only)
• WMV9
• WMV Photostory (available for Zune 30 only)

Xilisoft Zune Video Converter is an easy-to-use Zune converter program to help you convert almost all video formats including AVI, MPEG, WMV, MP4, FLV, MKV, H.264/MPEG-4, DivX, XviD, MOV, RM, RMVB, M4V, VOB, ASF, 3GP, etc. to Zune supported video and audio files. After the conversion, you can put the converted videos on Zune using Zune software directly. You can download it from here.

Step 1: Load files.
Click "Add File" button on the toolbar or "File > Add File" to load files.

Step 2: Choose output format and output folder.
Choose the file, click "Profile" drop-down button to choose output formats you need, then click "Browse" button to choose destination folder for saving your converted Zune video and audio files.

Step 3: Convert.
After choosing the format, you only need to click "Convert" button on the toolbar to complete the task.

Ok, done.

If you're interested in this Zune video converter program, please visit: Xilisoft Zune Video Converter.

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