I have two external hard drives which I am moving big files from one to another. They are avi (films) of around 10GB. Even though there is tons of room on each hard drive, when I try and move some across I get a message saying "the file XXX is too large for the destination file system". How come I can't move a file of 10GB into a hard drive even though there is easily space for it?
As OG says - it's possible to convert a FAT32 drive to NTFS without losing data.
Find the letter of drive you want to convert. Open File Explorer, and in the left pane, look for the drive under "This PC" or "Computer."
Press the Windows logo key + R to open the Run dialog box.
Enter cmd to open the command prompt window.
At the command line prompt, type convert drive: /fs:ntfs.