How can i change too big file size in too short size.?

i have winzip software but it's not working prpoerly in changing file size. tell me methods to change file size.How can i change too big file size in too short size.?
try winrar. use the rar format... it also gives you an option to split the files by a user-defined file size limit.How can i change too big file size in too short size.?
Try 7zip. http://www.7-zip.org/How can i change too big file size in too short size.?
The software is used for compression. It's done by using preset algorithms that detect redundancy and is able to typically make the file much more compressed. Therefore some files are much more compressible (txt) than others (pdf), resulting in more or less file size change.How can i change too big file size in too short size.?
try the windows compressor......the compressing capability is large unlike any conventional zipper like winzip or winrar



right click a file or a group and click advanced options in the general tab.......then tick the compress check box.



it take a few seconds.......and then i am sure u will be happyHow can i change too big file size in too short size.?
Win rar is a best option for u.........

Try also Powerarchiver if u like..................







Regards