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.
Refine your search with categories and letters
A .sqlitedb file is a database file created by SQLite, a self-contained, serverless, zero-configuration, transactional SQL database en…
MDF (Media Disc Image File) and MDS (Media Descriptor File) are a pair of file formats used for creating and managing disc images, pri…
An RFA file is a Revit Family file. Revit is a Building Information Modeling (BIM) software used by architects, engineers, and constru…
KMZ files are compressed archives containing a KML (Keyhole Markup Language) file and any supporting files, such as images, icons, and…
STEP files, identified by the '.step' or '.stp' extension, are a widely used ISO standard (ISO 10303) for representing 3D product manu…
Geography Markup Language (GML) is an XML grammar defined by the Open Geospatial Consortium (OGC) used to express geographical feature…
The DXF (Drawing Exchange Format) file extension represents a CAD (Computer-Aided Design) data file format developed by Autodesk for e…
The .gliffy file extension is associated with Gliffy diagrams. Gliffy is a web-based diagramming application that allows users to crea…
The Design Web Format (DWF) is an Autodesk file format for efficiently distributing rich design data to anyone who needs to view, revi…
A .SLDPRT file is a 3D part file created by SolidWorks, a popular CAD (Computer-Aided Design) software application developed by Dassau…
A .dem file is a Digital Elevation Model (DEM) file, a raster-based geospatial data format used to represent terrain elevation. It sto…
The ODB file extension represents a database file created using the OpenDocument standard. It is the native file format for Base, the…
The Apache Arrow IPC Stream format (.arrow) is a binary file format designed for efficient data transfer and storage, particularly wit…
A .bsq file typically represents a binary sequence, often used in remote sensing and image processing applications. It's a raw, unform…
An MDF file is a disc image file, often associated with Alcohol 120%, a disc imaging and burning software. It's essentially a complete…
A DB3 file is a database file created by SQLite, a widely used, self-contained, serverless, and zero-configuration SQL database engine…
A .bin file is a generic binary file format used for storing data in a non-textual, machine-readable form. Unlike text files, binary f…
A .bkp file is a generic file extension used to denote a backup copy of data. The specific content and format of a .bkp file can vary…
An RCFILE is a configuration file used by various applications, particularly in Unix-like operating systems. The 'rc' suffix is a hist…
The Additive Manufacturing File Format (AMF) is an open standard file format designed for describing objects intended for 3D printing…
COLLADA (COLLAborative Design Activity) is an open standard XML schema for exchanging digital assets among various graphics software a…
XSPF (XML Shareable Playlist Format) is an XML-based playlist format designed for sharing and exchanging playlists between different m…
TTML (Timed Text Markup Language) is an XML-based text format designed for representing timed text information. It's primarily used fo…
A .blend file is the native file format used by Blender, a free and open-source 3D creation suite. It stores all the data necessary fo…
A .sqlitedb file is a database file created by SQLite, a self-contained, serverless, zero-configuration, transactional SQL database engine. It is a popular cho…
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…
An RFA file is a Revit Family file. Revit is a Building Information Modeling (BIM) software used by architects, engineers, and construction professionals to de…
KMZ files are compressed archives containing a KML (Keyhole Markup Language) file and any supporting files, such as images, icons, and 3D models. KML is an XML…
STEP files, identified by the '.step' or '.stp' extension, are a widely used ISO standard (ISO 10303) for representing 3D product manufacturing information (PM…
Geography Markup Language (GML) is an XML grammar defined by the Open Geospatial Consortium (OGC) used to express geographical features. GML serves as a modeli…
The DXF (Drawing Exchange Format) file extension represents a CAD (Computer-Aided Design) data file format developed by Autodesk for enabling data interoperabi…
The .gliffy file extension is associated with Gliffy diagrams. Gliffy is a web-based diagramming application that allows users to create various types of diagr…
The Design Web Format (DWF) is an Autodesk file format for efficiently distributing rich design data to anyone who needs to view, review, or print digital prot…
A .SLDPRT file is a 3D part file created by SolidWorks, a popular CAD (Computer-Aided Design) software application developed by Dassault Systèmes. These files…
A .dem file is a Digital Elevation Model (DEM) file, a raster-based geospatial data format used to represent terrain elevation. It stores elevation values for…
The ODB file extension represents a database file created using the OpenDocument standard. It is the native file format for Base, the database management compo…
The Apache Arrow IPC Stream format (.arrow) is a binary file format designed for efficient data transfer and storage, particularly within the Apache Arrow ecos…
A .bsq file typically represents a binary sequence, often used in remote sensing and image processing applications. It's a raw, unformatted data file that cont…
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…
A DB3 file is a database file created by SQLite, a widely used, self-contained, serverless, and zero-configuration SQL database engine. It stores structured da…
A .bin file is a generic binary file format used for storing data in a non-textual, machine-readable form. Unlike text files, binary files contain data represe…
A .bkp file is a generic file extension used to denote a backup copy of data. The specific content and format of a .bkp file can vary significantly depending o…
An RCFILE is a configuration file used by various applications, particularly in Unix-like operating systems. The 'rc' suffix is a historical convention, often…
The Additive Manufacturing File Format (AMF) is an open standard file format designed for describing objects intended for 3D printing. It was developed as a su…
COLLADA (COLLAborative Design Activity) is an open standard XML schema for exchanging digital assets among various graphics software applications. It is primar…
XSPF (XML Shareable Playlist Format) is an XML-based playlist format designed for sharing and exchanging playlists between different media players and applicat…
TTML (Timed Text Markup Language) is an XML-based text format designed for representing timed text information. It's primarily used for subtitling and captioni…
A .blend file is the native file format used by Blender, a free and open-source 3D creation suite. It stores all the data necessary for a Blender project, incl…
Everything you need to know about file extensions