UninstallPKG is an app that lets you get rid of file extension .pkg or packages from your Mac, along with all the other installed contents that come with the files. The application helps free space on your computer by eliminating unwanted apps or apps not used in a long time. The application also helps clean the remnants or files of apps partially removed manually in the past. UninstallPKG is capable of removing all Office 2011 files or completely getting rid of things such as the Flash plugin or Java.