A zip I downloaded from easyDITA does not open on my Mac. Why?
The zip files created by easyDITA include all the folders for the files they include. If the easyDITA folders are deeply nested, then the ones in the zip file will have the same deep structure. This can make the zip file complex. The Mac Archive Utility can have trouble opening complex zip files.
You can find other utilities in the App Store on your Mac that open complex zip files without any trouble. For example, we verified that The Unarchiver works well with zip files from easyDITA.