- Extension
- .m4r
- .rtf
- Format
- Binary
- Text
- Category
- Audio
- Document
- Developer
- Apple Inc.
- Microsoft
- 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.
- An RTF file is a common text file format that supports "rich text." It includes several types of text formatting, such as bold type, italics, different fonts and font sizes, and custom tab settings. RTF files also support objects and images, such as .JPG and .PNG files, saved within the text file.
- MIME Type
- audio/x-m4r
- text/richtext
