Digital eBook saved in the Mobipocket "Mobi" format; may be saved as a protected or unprotected file; protected PRC files include DRM copyright protection that limits the devices on which the file can be opened.

PRC files can be viewed on a PC using Mobipocket Reader Desktop or transferred to a smartphone or PDA. Unprotected PRC files can also be viewed on the Amazon Kindle portable reading device.

Installer package for a Palm OS application; may also be used for Palm OS program or system updates; can be installed on a Palm Pilot from a Mac or Windows computer using the HotSync Manager within the Palm Desktop program.

NOTE: The ".prc" extension is sometimes used for Palm OS text documents as well.

File created in the Product Representation Compact (PRC) format, which is used to represent 3D models and assemblies; contains product structure, geometry, and product manufacturing information (PMI); stores data in a highly compressed format.

PRC files are optimized for storing, loading, and displaying 3D data. They also support PDF-based documentation workflows since they can be embedded into .PDF files.