Thank you for your help Sergey, I'll take some examples from the threads you pointed me to.

Luis



>Luis,
>
>Check
>- Re: How to zip files in VFP? Thread #743669 Message #743690
>- Re: Compressing File without Installing Winzip or Else.. Thread #687831 Message #749386
>
>>Hi Sergey,
>>
>>Yes, I found ZIPIT, it's a free DLL ActiveX but it uses UNZIP32.DLL, I found its original web page and it says that in order to use it (UNZIP32.DLL) with a commercial app we should talk to the author to get a license.