http://blogs.technet.com/kailash/archive/2008/12/16/mohamed-zaki-s-sharpzip.aspxHey all, look what turned up on Codeplex! http://www.codeplex.com/MZakiCustomActions Download Zipped List Items Feature Project Description This Custom UI Actions for Sharepoint extends the lists action menu to allow users to zip document library itemsenCommunityServer 2.1 SP1 (Build: 61025.2)