The (specifically with the .LICENSEKEY extension) is used to activate iPartition, a legacy disk management utility for Mac developed by Coriolis Systems . Current Status of iPartition
: You can still find official downloads and legacy license information on the Coriolis Systems website . ipartition licence file
If the drag-and-drop method doesn't work, you can manually place the file in the application's support directory. ~/Library/Application Support/iPartition/ The (specifically with the