- Extension
- .m4r
- .prc
- Format
- Binary
- Binary
- Category
- Audio
- 3D
- Developer
- Apple Inc.
- Adobe Systems
- Description
- M4R is an iTunes ringtone file that stores mono channel audio. They are identical to the M4A format files only that they are correctly used for ringtones.
- 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.
- MIME Type
- audio/x-m4r
- application/x-prc
