Trying to use portable hard drive on both my Mac and PC...

I just purchased a Toshiba Canvio Plus 1TB portable hard drive for my three Macs. Out of the box, I need to format the drive for Mac, which is fine, but I just found out that my fiance would also like to use it for her work computer, which is a PC running Windows XP. I need your help in finding out how to read and write to this portable drive from both a Mac and PC.
I thought about partitioning the drive but that wouldn't work because we want both systems to access the same data. After doing a few Google searches, I thought formatting the drive to a FAT32 would be the answer but I read that file sizes can't exceed 4GB. Since I purchased this specifically to complement my new HD camcorder, a 4GB file size limit will not work for us.
One last thing, since she has a company-issued PC, I'm pretty sure she's unable to install third party software and/or drivers. So please factor that in.
What would be our best solution? Thank you so much for all your help.
Message was edited by: madeinguam

madeinguam wrote:
What would be our best solution?
two possible ways:
(a) format the drive for Mac and install MacDrive on the winsloth machine(s)
(b) format the drive NTFS and install the _*NTFS 3G*_ driver on the Mac(s)
JGG

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