View all extensions

File Extensions

Clear explanations, compatible software, and practical guidance for file extensions.

80
Indexed file extensions

Filter extensions

Refine your search with categories and letters

80 extensions
Letter: S Clear all
.SF3

SoundFont 3 Audio Bank

Audio
.SFF

Standard Flowgram Format

Data
.SFZ

SFZ Sample Definition File

Audio
.SHP

Shapefile

Data
.SKP

SketchUp Model

Data
.SLDPRT

SolidWorks Part Document

Data
.SLIM

Slim Framework Template

Programming
.SLN

Visual Studio Solution File

Programming
.SLN.DOTSETTINGS

JetBrains ReSharper/Rider Solution Settings File

Programming
.SMC

Super Magicom Cartridge ROM

Data
.SMF

Standard MIDI File

Audio
.SMI

Synchronized Multimedia Integration Language

Data
.SNAP

Snap Package

Archive
.SNOOP

Snoop Network Capture File

Data
.SNW

S Note File

Data
.SO (SHARED OBJECT - LINUX)

Shared Object

Executable
.SOLIDWORKS (SLDPRT)

SolidWorks Part

Data
.SOLIDWORKS PART (.SLDPRT)

SolidWorks Part

Data
.SPK

Synology Package File

Archive
.SPS

SPSS Syntax File

Programming
.SQL

Structured Query Language File

Data
.SQLITE

SQLite Database File

Data
.SQLITE3

SQLite3 Database

Data
.SQLITEDB

SQLite Database

Data

Frequently Asked Questions

Everything you need to know about file extensions

You can search by entering a file extension directly in the search bar or browse the directory by category or alphabetical index.

Each listing provides a definition of the file extension, common use cases, compatible software, supported platforms, and related or alternative formats.

The database is updated regularly to reflect new file extensions, changes in software compatibility, and evolving file format standards.