[Evolution] compress folder

[Paolo Ariano <click it libero it>]

i'm using evolution since lot of time and i've folders with big files
like:

7295488   2003-10-01 17:55 mbox.ibex.index.data
8350720   2003-10-01 17:55 mbox.ibex.index
1263847   2003-10-09 16:48 mbox.ev-summary
439116885 2003-10-09 16:48 mbox
  95 2003-10-16 15:37 local-metadata.xml
  93 2002-12-05 17:54 folder-metadata.xml

howto to compress this files? withot having evolution problems ?

thanks
paolo
-- 
Paolo Ariano                                  
Neuroscience PhD Student                      
DBAU & INFM Turin (Italy)                     

I bravi ragazzi vanno in Paradiso, i cattivi in Giro -
<Riccardo M.