.ICURSORFX File Extension
What is an ICURSORFX file?
Data file that stores settings for an iCursor effect; used to apply special effects to the cursor in Mac OS X; can be customized by selecting iCursor → Customize Effect... within the iCursor application.
iCursor effects are saved in the iCursor/Effects folder, which is generated the first time the application is run. The cursor effects are only displayed when the application is running.
Examples of iCursor effect files include Comet.iCursorFX, HyperSpace.iCursorFX, and Snow.iCursorFX.