Apple ipod

Iphone backup and synchronization of multiple? Please help!?

1. Father Mac is used to synchronize three iPhones. I understand the iTunes store the backups in the section of your library, but when I went to check the file names are long series of numbers. Is it possible that I can differentiate my iphone the other 2? 2. I tried to connect my iPhone to my computer and found the timing "Only checked songs and videos" and "manage manually "box. When you click Apply, a message that says" The iPhone has been synced with another iTunes library. Do you want to erase this iPhone and sync with this iTunes library? "Surge. I understand that when you click Erase and sync I lose all the music on my phone, but I wondered what I lose applications downloaded from the iTunes Store, too? Is there anyway to sync my iPhone with multiple computers? 3. Is it my address book automatically saved in iTunes? Sorry, I know it's a bit long: / Im using a 3G iPhone on the road. Please help! Thanks much.

I tried the software for third parties Cucusoft iPhone / iTouch / iPod Transfer on the computer to extract the songs, videos, photos, etc from the iPod playlist to iTunes or computer. Software: Cucusoft iPhone / ITouch / iPod to iPod Transfer Support Team: iPod / iPod Nano / iPod shuffle also iPhone and iTouch iPod fans can help to transfer music from iPod, videos, photos and library backup to a PC or iTunes when iTunes can not find the solution of family problems: when the team collapses, files iTunes on the computer and gone, when you buy a new computer, you want to transfer your files from iPod to your new computer when you want your friends the songs of iPod and want to transfer to your computer, when your friends that your iPod songs and videos on your computer, when you have a new iPod and want to transfer your iPod video and audio including when transferring files between your iPod / iPhone or friends on your iPod / iPhone to share two different iPods in iTunes … More: http://www.converter123.com/iPhone-Software/Cucusoft-iPhone/iTouch/iPod-to-Computer-Transfer.html

Address Book Server (www.AddressBookServer.com)