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File Extensions

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

380
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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380 extensions
Data Clear all
.OBJ (.OBJ)

Wavefront OBJ File

Data
.MDB

Microsoft Access Database

Data
.AUTOCAD (DWG, DXF)

Drawing File

Data
.CSV

Comma Separated Values

Data
.JSON

JavaScript Object Notation

Data
.GEOTIFF

GeoTIFF

Data
.STEP (.STP, .STEP)

Standard for the Exchange of Product Data

Data
.GLB

glTF Binary

Data
.STL

Stereolithography

Data
.IGES

Initial Graphics Exchange Specification

Data
.PARASOLID (X_T, X_B)

Parasolid Model Part

Data
.XSL

Extensible Stylesheet Language

Data
.SQLITE

SQLite Database File

Data
.QCOW2

QEMU Copy On Write version 2

Data
.XLSX

Microsoft Excel Open XML Spreadsheet

Data
.IMG

Disk Image File

Data
.ACIS (.SAT)

ACIS Solid Model

Data
.FBX

Filmbox

Data
.YAML

YAML Ain't Markup Language

Data
.MDMP

Minidump File

Data
.SOLIDWORKS (SLDPRT)

SolidWorks Part

Data
.HGT

SRTM Height Terrain

Data
.VSDX

Visio Drawing

Data
.BAK.OLD

Backup File

Data
.OBJ (.OBJ)

Wavefront OBJ File

Data
.MDB

Microsoft Access Database

Data
.AUTOCAD (DWG, DXF)

Drawing File

Data
.CSV

Comma Separated Values

Data
.JSON

JavaScript Object Notation

Data
.GEOTIFF

GeoTIFF

Data
.STEP (.STP, .STEP)

Standard for the Exchange of Product Data

Data
.GLB

glTF Binary

Data
.STL

Stereolithography

Data
.IGES

Initial Graphics Exchange Specification

Data
.PARASOLID (X_T, X_B)

Parasolid Model Part

Data
.XSL

Extensible Stylesheet Language

Data
.SQLITE

SQLite Database File

Data
.QCOW2

QEMU Copy On Write version 2

Data
.XLSX

Microsoft Excel Open XML Spreadsheet

Data
.IMG

Disk Image File

Data
.ACIS (.SAT)

ACIS Solid Model

Data
.FBX

Filmbox

Data
.YAML

YAML Ain't Markup Language

Data
.MDMP

Minidump File

Data
.SOLIDWORKS (SLDPRT)

SolidWorks Part

Data
.HGT

SRTM Height Terrain

Data
.VSDX

Visio Drawing

Data
.BAK.OLD

Backup File

Data
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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.