When you have just one iPod and one Mac, it’s easy to manage your library and sync your music, videos, audio books and data. But do you want to use more than one iPod with the same Mac or even share music and videos between different iTunes accounts on a single Mac? It gets a bit confusing.
Here provides several pretty simple ways for you to connect multiple iPods to one Mac and share the iTunes library.
Generally, each user has his or her own OS X user account, and iTunes is designed to store music in a user’s Music folder. OS X user accounts employ permissions to prevent one user from rooting around in someone else’s folders.
How to sync multiple iPods on one Mac?
Create a separate iTunes library for each iPod.
Note: It is important that you make a new iTunes Library file. Do not just make a copy of your existing iTunes Library file. Learn more: http://support.apple.com/kb/HT1495
How to share music between different accounts on a single computer?
If you want to share music with other users on your computer, you need to move your iTunes music folder to a publicly accessible location. Learn more: http://support.apple.com/kb/HT1203
Free download iPod to Mac Transfer. (It works for iPhone in the same way)
* Backup iPod file to Mac
You can easily and fast backup iPod music, movie and photo on your Mac with the iPod copy tool.
* Transfer file on Mac to iPod
Choose the movie, music or photo you like on your Mac machine and directly put it on iPod through the iPod manager.
* Copy iPod file to iTunes
The software allows to copy iPod music, movie and photo from iPod to iTunes library to help you manage your multimedia library.
* Share music between iPods/iPhone
You can manage up to 26 iPods and one iPhone independently at the same time and drag and drop files among them to share music, movie and photo.
iPod compatible file formats:
Video: mp4, m4v, mov, etc.
Audio: mp3, m4a, m4b, m4p, etc.
Image: jpg, jpeg, png, gif, bmp, etc.
Only iPod compatible formats can be played successfully on iPod, if you need to put DVD movie and other kind of video like WMV, AVI, MKV, AVCHD, etc to iPod, convert them first, using DVD to iPod converter and Video to iPod Converter for Mac.