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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The MCH file extension is primarily associated with Money Manager Ex (MMEX), which is a popular, open-source personal finance manageme…
The MDB file extension is primarily associated with Microsoft Access, a database management system (DBMS) from Microsoft. MDB files st…
An MDF file is a disc image file, often associated with Alcohol 120%, a disc imaging and burning software. It's essentially a complete…
MDF (Media Disc Image File) and MDS (Media Descriptor File) are a pair of file formats used for creating and managing disc images, pri…
A .mdmp file, short for Minidump file, is a crash dump file format used by the Windows operating system and other applications. It con…
A .memdump file is a snapshot of a computer's memory at a specific point in time. It contains the raw data stored in RAM, including pr…
MessagePack is a binary serialization format. It is used for efficient data interchange between different programming languages and sy…
MHTML (MIME HTML) is a web page archive format used to combine, in a single document, the HTML code and its associated resources such…
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…
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 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 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 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 MTB file format is a proprietary data file associated with Minitab, a powerful statistical software package used extensively in qu…
The MTL (Material Template Library) file format is a standard companion format for the Wavefront OBJ file, used to describe the surfac…
A file with the MTW extension is a Minitab Worksheet used by Minitab, a popular statistical analysis software package. It stores data…
The MCH file extension is primarily associated with Money Manager Ex (MMEX), which is a popular, open-source personal finance management software. This file fo…
The MDB file extension is primarily associated with Microsoft Access, a database management system (DBMS) from Microsoft. MDB files store the entire database s…
An MDF file is a disc image file, often associated with Alcohol 120%, a disc imaging and burning software. It's essentially a complete copy of a physical CD, D…
MDF (Media Disc Image File) and MDS (Media Descriptor File) are a pair of file formats used for creating and managing disc images, primarily for optical media…
A .mdmp file, short for Minidump file, is a crash dump file format used by the Windows operating system and other applications. It contains a snapshot of the p…
A .memdump file is a snapshot of a computer's memory at a specific point in time. It contains the raw data stored in RAM, including program code, variables, an…
MessagePack is a binary serialization format. It is used for efficient data interchange between different programming languages and systems. Unlike human-reada…
MHTML (MIME HTML) is a web page archive format used to combine, in a single document, the HTML code and its associated resources such as images, audio, video…
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…
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 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 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 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 MTB file format is a proprietary data file associated with Minitab, a powerful statistical software package used extensively in quality improvement, educat…
The MTL (Material Template Library) file format is a standard companion format for the Wavefront OBJ file, used to describe the surface properties of 3D object…
A file with the MTW extension is a Minitab Worksheet used by Minitab, a popular statistical analysis software package. It stores data in a spreadsheet-like gri…
Everything you need to know about file extensions