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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
.BAK.OLD

Backup File

Data
.BUFR

Binary Universal Form for the Representation of meteorological data

Data
.EPUB

Electronic Publication (EPUB) ebook

Data
.DAE

Digital Asset Exchange

Data
.KML

Keyhole Markup Language File

Data
.SKP

SketchUp Model

Data
.OTF

OpenType Font

Data
.PLY

Polygon File Format

Data
.USDZ

Universal Scene Description Zipped

Data
.SHP

Shapefile

Data
.VMDK

Virtual Machine Disk

Data
.AZW3

Amazon Kindle Format 8

Data
.ODS

OpenDocument Spreadsheet

Data
.ACCDB

Microsoft Access Database

Data
.WOFF

Web Open Font Format

Data
.SAB

SABnzbd Configuration File

Data
.DBF

Database File

Data
.MOBI

Mobipocket eBook

Data
.3MF

3D Manufacturing Format

Data
.RST

reStructuredText Document

Data
.PROTOCOL BUFFERS

Protocol Buffers

Data
.GEOJSON

GeoJSON

Data
.TSV

Tab-Separated Values

Data
.PARQUET

Apache Parquet

Data
.BAK.OLD

Backup File

Data
.BUFR

Binary Universal Form for the Representation of meteorological data

Data
.EPUB

Electronic Publication (EPUB) ebook

Data
.DAE

Digital Asset Exchange

Data
.KML

Keyhole Markup Language File

Data
.SKP

SketchUp Model

Data
.OTF

OpenType Font

Data
.PLY

Polygon File Format

Data
.USDZ

Universal Scene Description Zipped

Data
.SHP

Shapefile

Data
.VMDK

Virtual Machine Disk

Data
.AZW3

Amazon Kindle Format 8

Data
.ODS

OpenDocument Spreadsheet

Data
.ACCDB

Microsoft Access Database

Data
.WOFF

Web Open Font Format

Data
.SAB

SABnzbd Configuration File

Data
.DBF

Database File

Data
.MOBI

Mobipocket eBook

Data
.3MF

3D Manufacturing Format

Data
.RST

reStructuredText Document

Data
.PROTOCOL BUFFERS

Protocol Buffers

Data
.GEOJSON

GeoJSON

Data
.TSV

Tab-Separated Values

Data
.PARQUET

Apache Parquet

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.