As for the encryption, both TrueCrypt and AxCrypt do their job well, using
industry-standard secure algorithms. So you can be confident that any
information that you encrypt will be pretty secure. So are there any
differences between AxCrypt and TrueCrypt, to help you decide which one to go
for? Thankfully, yes. There's a major difference. Read more here.
http://www.techsupportalert.com/content/comparing-truecrypt-and-axcrypt-best-free-encryption-utilities.htm