A very good alternative to WinZip---FREE [Archive] - Horse Racing Forum - PaceAdvantage.Com

10-10-2007, 08:09 PM

Open Source Zip program: http://www.7-zip.org/

GameTheory

10-10-2007, 09:32 PM

You can get SecureZip free from the original zip people as well:

http://www.securezip.com/

hcap

10-11-2007, 05:21 AM

7-zip does a great job on big excel files.
I have compression set on "Ultra"