Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.
Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.
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An M3U (Moving Picture Experts Group Audio Layer 3 Uniform Resource Locator) file is a plain text file that stores a multimedia playli…
M4A (MPEG-4 Audio) is a filename extension used to represent audio files encoded with Advanced Audio Coding (AAC) or Apple Lossless Au…
The M4R file extension is used for iPhone ringtone files. It's essentially an AAC (Advanced Audio Coding) audio file, which is a type…
MIDI (Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and e…
MIDI (Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and e…
MP3 (MPEG Audio Layer III) is a widely used audio coding format for digital audio. It's known for its ability to significantly reduce…
The MSV file extension stands for Memory Stick Voice. It is a proprietary compressed audio format developed by Sony, specifically desi…
An M3U (Moving Picture Experts Group Audio Layer 3 Uniform Resource Locator) file is a plain text file that stores a multimedia playlist. It contains a list of…
M4A (MPEG-4 Audio) is a filename extension used to represent audio files encoded with Advanced Audio Coding (AAC) or Apple Lossless Audio Codec (ALAC). AAC is…
The M4R file extension is used for iPhone ringtone files. It's essentially an AAC (Advanced Audio Coding) audio file, which is a type of MPEG-4 audio, but rena…
MIDI (Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and electrical connectors that…
MIDI (Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and electrical connectors that…
MP3 (MPEG Audio Layer III) is a widely used audio coding format for digital audio. It's known for its ability to significantly reduce file size while maintaini…
The MSV file extension stands for Memory Stick Voice. It is a proprietary compressed audio format developed by Sony, specifically designed for use with their d…
Everything you need to know about file extensions