There area also activex's to do this. A good one that comes with examples is http://www.dynazip.com/Products/Zip-compression/zip-compression.htm

>My problem was to create programmatically a compressed archive and send it through email
>then uncompress the archive.
>Is it possible with the program you suggested me ?
>Thanks
>Alessio
>
>>>I downloaded and tested this class and found it very good but i cannot succed in making it run in compiled in builded application.
>>>I got the error cannot find "registry.vcx"
>>>What have i to do to get rid of it ?
>>>Thank you Alessio
>>
>>Personally, I dislike anything that includes the name "ZIP": several other formats, including the free CAB format, are 30% smaller (typical).
>>
>>I use pacomp.exe from www.powerarchiver.com/download (search for "Command Line Version"). pacomp is a command-line utility. This is probably not as pretty as working with a class, but it does work. Previous versions were free; I am not sure whether the latest version is still free.
>>
>>Hilmar.