Split caf into stems

Download and install the latest version of Filestar.
Right click on one or more Caf file(s) on your desktop and select Convert with Filestar.
Type split into stems in the search box.
Press Split.

What is .caf?

Name: Core Audio File
Extension: .caf
Format: Binary
Category: Audio
Developer: Apple
Description: Digital audio format based on Apple's Core Audio technology; stores audio data as well as text annotations, markers, channel layouts, and other information; similar to an .AIFF or .WAVE file, but does not have a 4GB size limit and can store any number of audio channels.
MIME Type: audio/x-caf
Sample: sample.caf
Wikipedia: .caf on Wikipedia