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File Extensions

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

383
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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383 extensions
Data Clear all
.BLEND

Blender Project File

Data
.3DM

Rhino 3D Model

Data
.GPX

GPS Exchange Format

Data
.REG

Registry Entries

Data
.SDB

StarOffice Database

Data
.ASCII GRID

ASCII Grid

Data
.BINARY (.BIN)

Binary File

Data
.TRN

TRN

Data
.X3D

Extensible 3D Graphics

Data
.STEP

Standard for the Exchange of Product Data

Data
.ASCIIDOC

AsciiDoc

Data
.MOT

Motorola S-Record

Data
.XSPF

XML Shareable Playlist Format

Data
.SQL

Structured Query Language File

Data
.ESRI GRID

Esri Grid

Data
.TOPOJSON

TopoJSON

Data
.DXF

Drawing Exchange Format

Data
.TTML

Timed Text Markup Language

Data
.POL

Plain Old Telephone

Data
.DJVU

DjVu Document

Data
.HDD

Hard Disk Image

Data
.STP

Standard for the Exchange of Product Data

Data
.DXF (.DXF)

Drawing Exchange Format

Data
.MHT

MHTML Web Archive

Data
.BLEND

Blender Project File

Data
.3DM

Rhino 3D Model

Data
.GPX

GPS Exchange Format

Data
.REG

Registry Entries

Data
.SDB

StarOffice Database

Data
.ASCII GRID

ASCII Grid

Data
.BINARY (.BIN)

Binary File

Data
.TRN

TRN

Data
.X3D

Extensible 3D Graphics

Data
.STEP

Standard for the Exchange of Product Data

Data
.ASCIIDOC

AsciiDoc

Data
.MOT

Motorola S-Record

Data
.XSPF

XML Shareable Playlist Format

Data
.SQL

Structured Query Language File

Data
.ESRI GRID

Esri Grid

Data
.TOPOJSON

TopoJSON

Data
.DXF

Drawing Exchange Format

Data
.TTML

Timed Text Markup Language

Data
.POL

Plain Old Telephone

Data
.DJVU

DjVu Document

Data
.HDD

Hard Disk Image

Data
.STP

Standard for the Exchange of Product Data

Data
.DXF (.DXF)

Drawing Exchange Format

Data
.MHT

MHTML Web Archive

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.