We're excited to announce that we've fully migrated the Xbox Forums to their new home, here on the Microsoft Community forums!
As of today, going to forums.xbox.com will redirect you here to the Xbox area of the Community forums. We've moved all of your existing threads over so you can continue and start conversations with the new forums experience.
We sincerely appreciate the feedback you have provided over this transition and can't wait for you to check out the new Xbox Forums!
When you format a flash drive for Xbox storage, the console creates a hidden Xbox folder on the drive. If you have a 16GB drive and you choose 10GB for Xbox storage, your PC will only see the remaining space as free, whether you have stored any Xbox data
Obsessive Power has a good explanation but perhaps I can help as well. When you format any usb drive to work on the Xbox 360 it claims that space to be used ONLY by the 360. Your computer will not be able to access and use that space, which it why it only
shows up as 458MB on the computer but not the Xbox. It is like splitting the usb drive in two. You will have 8GB total but your computer will only recognize the space you allocate to the PC, and your Xbox 360 will only be able to recognize what you allocate
to the Xbox 360. If you would like to change the sizing, you can go back onto the Xbox 360 find the storage options, and you can have it remove and/or resize the Xbox 360 allocated space.
I believe the 360 can play music from a usb stick so adding the music to the PC side of the storage may allow you to play the music while using it as additional storage from the Xbox side, but I have not tried this yet. Maybe someone else would know this
for certain. I'm not sure what you mean by profile. You could store your Live profile on the Xbox space, but your PC would not be able to see it, only the Xbox.