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File Extensions

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

380
Indexed file extensions

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380 extensions
.DWG

Drawing

Data
.HEX

Intel HEX File

Data
.RFA

Revit Family File

Data
.TOML

Tom's Obvious, Minimal Language

Data
.TMP

Temporary File

Data
.CRASH

Crash Dump File

Data
.GRIB

GRIdded Binary

Data
.INF

Setup Information File

Data
.SQLITEDB

SQLite Database

Data
.FB2

FictionBook 2.0

Data
.HDMP

Windows Heap Dump File

Data
.NUMBERS

Numbers Spreadsheet

Data
.VRML

Virtual Reality Modeling Language

Data
.COLLADA

COLLADA Document

Data
.ODB

OpenDocument Database

Data
.S3DB

SQLite3 Database File

Data
.CRDOWNLOAD

Chrome Partial Download File

Data
.RVT

Autodesk Revit Project

Data
.PROTOBUF

Protocol Buffer

Data
.NX PART (.PRT)

NX Part File (.prt)

Data
.GML

Geography Markup Language

Data
.MDF

Media Disc Image File

Data
.RCFILE

Resource Configuration File

Data
.HTML

HyperText Markup Language

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.