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 SESX file extension is the proprietary project format used by Adobe Audition, a professional digital audio workstation (DAW). Intr…
SoundFont 2 (SF2) is a widely recognized file format for storing musical instrument samples and synthesis parameters. Developed by E-m…
SoundFont 3 (SF3) is an open-source file format used for storing digital audio samples and MIDI instrument data. Developed primarily b…
The Standard Flowgram Format (SFF) is a specialized binary file format primarily utilized in the field of bioinformatics to store data…
The SFZ file format is a royalty-free, open-standard specification for defining the behavior of musical instrument samples within a so…
A shapefile is a popular geospatial vector data format for geographic information systems (GIS) software. It is developed and regulate…
The SKP file extension is used for 3D models created with SketchUp, a popular 3D modeling software developed by Trimble Inc. These fil…
A .sldprt file is a 3D CAD (Computer-Aided Design) part file created by SolidWorks, a popular solid modeling software application deve…
The `.slim` file extension is primarily associated with the Slim Framework, a popular PHP micro-framework used for developing web appl…
A Visual Studio Solution (.sln) file is a structure for organizing projects in Microsoft Visual Studio. It serves as a text-based conf…
A file with the .sln.dotsettings extension is an XML-based configuration file used by JetBrains ReSharper and JetBrains Rider, which a…
An SMC file is a ROM image of a game cartridge for the Super Nintendo Entertainment System (SNES). It contains a complete copy of the…
A Standard MIDI File (SMF) is a universal file format designed to store MIDI (Musical Instrument Digital Interface) data, which consis…
The SMI (Synchronized Multimedia Integration Language) file format, often seen with the extension .smi or .sami, is a text-based marku…
A .snap file is a self-contained package format used primarily in Linux environments for distributing software applications and their…
The .snoop file format is a legacy packet capture format originally developed for the Solaris operating system. It is used by the 'sno…
The SNW file extension is primarily associated with S Note, a note-taking application developed by Samsung for its Galaxy Note series…
A shared object file, identified by the `.so` extension, is a dynamically linked library used primarily in Linux and other Unix-like o…
A .SLDPRT file is a 3D part file created by SolidWorks, a popular CAD (Computer-Aided Design) software used for designing and engineer…
A .SLDPRT file is a 3D part file created by SolidWorks, a popular CAD (Computer-Aided Design) software application developed by Dassau…
The SPD file format is primarily associated with IBM SPSS Statistics, a powerful software package used for interactive or batched stat…
A file with the SPK extension is a Synology Package file used specifically by Synology Network Attached Storage (NAS) devices. These f…
An SPS file is a syntax file used by IBM SPSS Statistics, a widely used software suite for the analysis of statistical data. These fil…
An SPV file is an output document created by IBM SPSS Statistics, a widely used software package for statistical analysis in social sc…
The SESX file extension is the proprietary project format used by Adobe Audition, a professional digital audio workstation (DAW). Introduced with version CS5.5…
SoundFont 2 (SF2) is a widely recognized file format for storing musical instrument samples and synthesis parameters. Developed by E-mu Systems and Creative La…
SoundFont 3 (SF3) is an open-source file format used for storing digital audio samples and MIDI instrument data. Developed primarily by the MuseScore team, it…
The Standard Flowgram Format (SFF) is a specialized binary file format primarily utilized in the field of bioinformatics to store data generated by the Roche 4…
The SFZ file format is a royalty-free, open-standard specification for defining the behavior of musical instrument samples within a software sampler. Unlike ma…
A shapefile is a popular geospatial vector data format for geographic information systems (GIS) software. It is developed and regulated by Esri as a mostly ope…
The SKP file extension is used for 3D models created with SketchUp, a popular 3D modeling software developed by Trimble Inc. These files contain all the inform…
A .sldprt file is a 3D CAD (Computer-Aided Design) part file created by SolidWorks, a popular solid modeling software application developed by Dassault Systèm…
The `.slim` file extension is primarily associated with the Slim Framework, a popular PHP micro-framework used for developing web applications and APIs. These…
A Visual Studio Solution (.sln) file is a structure for organizing projects in Microsoft Visual Studio. It serves as a text-based configuration file that descr…
A file with the .sln.dotsettings extension is an XML-based configuration file used by JetBrains ReSharper and JetBrains Rider, which are popular developer prod…
An SMC file is a ROM image of a game cartridge for the Super Nintendo Entertainment System (SNES). It contains a complete copy of the game's data, allowing use…
A Standard MIDI File (SMF) is a universal file format designed to store MIDI (Musical Instrument Digital Interface) data, which consists of musical instruction…
The SMI (Synchronized Multimedia Integration Language) file format, often seen with the extension .smi or .sami, is a text-based markup language used to add su…
A .snap file is a self-contained package format used primarily in Linux environments for distributing software applications and their dependencies. It's design…
The .snoop file format is a legacy packet capture format originally developed for the Solaris operating system. It is used by the 'snoop' command-line utility…
The SNW file extension is primarily associated with S Note, a note-taking application developed by Samsung for its Galaxy Note series of smartphones and tablet…
A shared object file, identified by the `.so` extension, is a dynamically linked library used primarily in Linux and other Unix-like operating systems. Unlike…
A .SLDPRT file is a 3D part file created by SolidWorks, a popular CAD (Computer-Aided Design) software used for designing and engineering mechanical parts and…
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…
The SPD file format is primarily associated with IBM SPSS Statistics, a powerful software package used for interactive or batched statistical analysis. Specifi…
A file with the SPK extension is a Synology Package file used specifically by Synology Network Attached Storage (NAS) devices. These files are essentially comp…
An SPS file is a syntax file used by IBM SPSS Statistics, a widely used software suite for the analysis of statistical data. These files contain command-line i…
An SPV file is an output document created by IBM SPSS Statistics, a widely used software package for statistical analysis in social science, market research, h…
Everything you need to know about file extensions