File Divider 2.52
http://www.freedownloadscenter.com/U...e_Divider.html

JASP - Just Another File Split Program 1.6
http://www.freedownloadscenter.com/U...t_Program.html

File Shredder 3.0
http://www.freedownloadscenter.com/U..._Shredder.html

File Splitter/Combiner 1.51
http://www.freedownloadscenter.com/U..._Combiner.html


Alcuni freeware che ho trovato..
ne trovi altri cercando su Google
"file splitter"
"file cutter"

Spero di esserti stata d'aiuto.