Because I use 7-Zip instead.
because i have 7zip
IZArc > Everything else
I manually read raw data on to a peice of paper and crumble it up with my bare hands and when I want to decompress it I just uncrumble it and read it back in. 0% data loss
Winrar can't open .7z files and also 7zip is free.
i got tired of being nagged to buy winrar so im using 7 zip