Thanks Neil

Zlib looks really good (and Free!) but I need to encrypt the data with a password before I can entrust it to the Email system. I could not tell if Zlib could do that from the manual so DynaZip is emerging as the front runner.

Mark




>Mark,
>
>If you are only bothered with compressing single files and not putting them in an archive then you could try the zlib OCX control.
>
>http://www.info-zip.org/pub/infozip/zlib/
>
>Its ZIP compatible and is real easy to use from VFP.
>

>with ThisForm
>   .oleCompress.InputFile  = "c:\test.txt"
>   .oleCompress.OutputFile = "c:\test.cmp"
>   .oleCompress.Level      = 9
>	
>   *!* Perform the compression.
>   .oleCompress.Compress()
>endwith
>