You can not compress more than one file by drag'n drop. Workaround: Put your files in a folder and drop that folder. You must set both path ! Zip-path and Extract/Start-path. MacZip needs both paths to start properly. Run out of memory Too many windows are open ! Will close all windows and continue. Text is bigger than 32 Kbyte Text is bigger than 32 Kbyte; Can't paste Error occurred during saving Unable to open the file Text is bigger than 32 Kbyte MacZip is unable to create a new window. Memory or resource is necessary. MacZip needs Apple-Events to start Can't start because I'm unable to install the menu-bar MacZip requires System 7 or better