If an application that supports ZPL files is installed on user's system, but is not used to open such files by default, right-click on the file icon and choose 'Open with' option from the menu. You would then need to: Select files and/or folders you would like to use Right click in the highlighted area and choose Send Selected Files To New Zip File (from Selected Files) A free and easy-to-use software utility that allows you to create, preview and print label based on Zebra Programming Language (ZPL). zipx) into a new Zip file, including image or photo files, you must have a Zip file open in WinZip. To convert selected files in a Zip file (.zip or.