From
<long link>You need to have the appropriate sync software and the Zune PC app installed on your PC. To download and install the latest version on your PC, or to learn more about Zune, go to
www.zune.net. You may need to restart your computer, and you may need to install additional software.
Depending on what you need to install, and how much data you are syncing, this may take a while.
Some file formats, such as 3gpp, may not be transferred. Some third-party converter applications may be available to convert the files to a format that can be transferred.
Windows Phone
1. Use a compatible USB cable to connect your old phone to your PC.
2. Open Zune, and sync the desired content to your PC.
3. When the sync is complete, connect your new phone to your PC.
4. In Zune, select the content type in your collection, and sync the content to your new phone.