- Extension
- .m4r
- .rst
- Format
- Binary
- Text
- Category
- Audio
- Document
- Developer
- Apple Inc.
- The file type rst (or reStructuredText File) was created by the Python Software Foundation.
- 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.
- Primarily created for Python, RST is a text file that uses reStructuredText markup language for in-line program documentation. It can also be used to develop standalone documents and simple web pages.
- MIME Type
- audio/x-m4r
- text/x-rst
