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 MLY file is a source code file used by Menhir, which is a powerful LR(1) parser generator designed specifically for the OCaml progr…
The mlyacc file format is a specialized input file used by the ML-Yacc parser generator, which is a tool primarily associated with the…
The mmap file extension is the proprietary format used by MindManager, a popular mind-mapping and project management software develope…
The mmCIF (Macromolecular Crystallographic Information File) format is a standard for representing structural data of biological macro…
MNG (Multiple-image Network Graphics) is a raster graphics format for animated images. It is closely related to the PNG (Portable Netw…
The MOBI file format is a proprietary ebook format developed by Mobipocket, based on the Open eBook standard. It was initially designe…
The MOL2 file format, originally developed by Tripos for its Sybyl molecular modeling software, is a widely used standard in computati…
The .mot file extension represents a Motorola S-Record file. This is a text-based file format used to represent binary data, primarily…
The MOV file format is a multimedia container file developed by Apple Computer Incorporated. It is commonly used for storing movies an…
MP3 (MPEG Audio Layer III) is a widely used audio coding format for digital audio. It's known for its ability to significantly reduce…
MP4 (MPEG-4 Part 14) is a digital multimedia container format most commonly used to store video and audio, but it can also be used to…
The MPJ file extension is primarily associated with Mindjet MindManager, a professional mind mapping and project management software s…
The MPP file format is a proprietary file format developed by Microsoft for use with Microsoft Project, the industry-standard project…
The .mppx file extension is a specialized data format associated with Microsoft Project, primarily used for the exchange of project ma…
The MPQ (MoPaQ) file format is a proprietary archive format developed by Mike O'Brien, a co-founder of ArenaNet and a former developer…
The MPT file format is a proprietary template file used by Microsoft Project, a powerful project management software application. Unli…
The MPX file format is a legacy ASCII-based file format developed by Microsoft for the purpose of exchanging project management data b…
The MrSID (Multi-Resolution Seamless Image Database) file format is a proprietary geospatial imagery format developed by LizardTech (n…
The MRT file extension is primarily associated with Stimulsoft Reports, a comprehensive reporting tool used by developers to create, d…
The MRZ (Machine Readable Zone) file format is a specialized data structure used primarily in identity documents such as passports, vi…
The MSG file format is a proprietary binary file format developed by Microsoft used primarily by Microsoft Outlook to store individual…
The MSI file extension represents a Windows Installer package. It's a database file format used by the Windows Installer service for i…
The MSV file extension stands for Memory Stick Voice. It is a proprietary compressed audio format developed by Sony, specifically desi…
The MSWMM file extension is primarily associated with Windows Movie Maker, a discontinued video editing software program developed by…
An MLY file is a source code file used by Menhir, which is a powerful LR(1) parser generator designed specifically for the OCaml programming language. Menhir s…
The mlyacc file format is a specialized input file used by the ML-Yacc parser generator, which is a tool primarily associated with the Standard ML (SML) progra…
The mmap file extension is the proprietary format used by MindManager, a popular mind-mapping and project management software developed by Corel (formerly Mind…
The mmCIF (Macromolecular Crystallographic Information File) format is a standard for representing structural data of biological macromolecules, such as protei…
MNG (Multiple-image Network Graphics) is a raster graphics format for animated images. It is closely related to the PNG (Portable Network Graphics) format and…
The MOBI file format is a proprietary ebook format developed by Mobipocket, based on the Open eBook standard. It was initially designed for mobile devices with…
The MOL2 file format, originally developed by Tripos for its Sybyl molecular modeling software, is a widely used standard in computational chemistry and bioinf…
The .mot file extension represents a Motorola S-Record file. This is a text-based file format used to represent binary data, primarily for programming microcon…
The MOV file format is a multimedia container file developed by Apple Computer Incorporated. It is commonly used for storing movies and other video files. MOV…
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…
MP4 (MPEG-4 Part 14) is a digital multimedia container format most commonly used to store video and audio, but it can also be used to store subtitles and image…
The MPJ file extension is primarily associated with Mindjet MindManager, a professional mind mapping and project management software suite. An MPJ file acts as…
The MPP file format is a proprietary file format developed by Microsoft for use with Microsoft Project, the industry-standard project management software. It s…
The .mppx file extension is a specialized data format associated with Microsoft Project, primarily used for the exchange of project management data between dif…
The MPQ (MoPaQ) file format is a proprietary archive format developed by Mike O'Brien, a co-founder of ArenaNet and a former developer at Blizzard Entertainmen…
The MPT file format is a proprietary template file used by Microsoft Project, a powerful project management software application. Unlike standard project files…
The MPX file format is a legacy ASCII-based file format developed by Microsoft for the purpose of exchanging project management data between Microsoft Project…
The MrSID (Multi-Resolution Seamless Image Database) file format is a proprietary geospatial imagery format developed by LizardTech (now part of Extensis). It…
The MRT file extension is primarily associated with Stimulsoft Reports, a comprehensive reporting tool used by developers to create, design, and manage reports…
The MRZ (Machine Readable Zone) file format is a specialized data structure used primarily in identity documents such as passports, visas, and national ID card…
The MSG file format is a proprietary binary file format developed by Microsoft used primarily by Microsoft Outlook to store individual email messages, meeting…
The MSI file extension represents a Windows Installer package. It's a database file format used by the Windows Installer service for installing, maintaining, a…
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…
The MSWMM file extension is primarily associated with Windows Movie Maker, a discontinued video editing software program developed by Microsoft. Unlike standar…
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