>Hi,
>
>how do I use the zipping that ships with Windows? Until now I used dynazip but thea are long out of business. And it will not work with Win7 x64.
>
>I neeed to unzip, zip, read, set password, read and write comment.

If you are a dfpug member, they have an .fll as well which I use regularly without problems on multi-GB dirs.
Dunno about pwd and comments. They have a .doc doc ;-)

OTOH for internal use ! Winrar gets often better compression, as we still shuffle insurance data...
DOS windows popping up don't pop my blood pressure