iZotope's Preset Manager stores presets on your hard drive as .XML files. Each XML file will be named after its corresponding preset in the Preset Manager.
By default, iZotope's Preset Manager presets are stored in the following folders:
Windows:
C:\Users\[current user]\My Documents\iZotope\[iZotope product name]
Please note: Older products such as iDrum, and any legacy version of a product stores presets in the directory:
C:\Users\[current user]\My Documents\[iZotope product name]
Mac:
Macintosh HD/Users/[current user]/Documents/iZotope/[iZotope product name]
Please note: Older products such as iDrum, and any legacy version of a product stores presets in the directory:
Macintosh HD/Users/[current user]/Documents/[iZotope product name]