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File Extensions

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

753
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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753 extensions
.MLT

Shotcut Project File

Video
.PPTX

Microsoft PowerPoint Open XML Presentation

Data
.S2MA

StarCraft II Map Archive

Data
.D81

Commodore 1581 Disk Image

Data
.ES3

Easy Save 3 Data File

Data
.PRG

Program File

Programming
.RDLC

Report Definition Language Client-side

Data
.PSYEXP

PsychoPy Experiment File

Data
.NKSF

Native Kontrol Standard Format

Audio
.T64

Commodore 64 Tape Image

Data
.ASSETBUNDLE

Unity Asset Bundle

Data
.PTX

Leica Cyclone Point Cloud Data

Data
.XLTX

Microsoft Excel Open XML Spreadsheet Template

Data
.UNITYASSET

Unity Asset File

Data
.MSG

Microsoft Outlook Message File

Data
.VBP

Visual Basic Project File

Programming
.VBPROJ

Visual Basic Project File

Programming
.FLP

FL Studio Project File

Audio
.FASTA

FASTA Sequence File

Data
.BA2

Bethesda Archive 2 File

Data
.OSGT

OpenSceneGraph Text File

Data
.MTL

Material Template Library

Data
.GHO

Norton Ghost Image File

Archive
.NKI

Native Instruments Kontakt Instrument

Audio
.MLT

Shotcut Project File

Video
.PPTX

Microsoft PowerPoint Open XML Presentation

Data
.S2MA

StarCraft II Map Archive

Data
.D81

Commodore 1581 Disk Image

Data
.ES3

Easy Save 3 Data File

Data
.PRG

Program File

Programming
.RDLC

Report Definition Language Client-side

Data
.PSYEXP

PsychoPy Experiment File

Data
.NKSF

Native Kontrol Standard Format

Audio
.T64

Commodore 64 Tape Image

Data
.ASSETBUNDLE

Unity Asset Bundle

Data
.PTX

Leica Cyclone Point Cloud Data

Data
.XLTX

Microsoft Excel Open XML Spreadsheet Template

Data
.UNITYASSET

Unity Asset File

Data
.MSG

Microsoft Outlook Message File

Data
.VBP

Visual Basic Project File

Programming
.VBPROJ

Visual Basic Project File

Programming
.FLP

FL Studio Project File

Audio
.FASTA

FASTA Sequence File

Data
.BA2

Bethesda Archive 2 File

Data
.OSGT

OpenSceneGraph Text File

Data
.MTL

Material Template Library

Data
.GHO

Norton Ghost Image File

Archive
.NKI

Native Instruments Kontakt Instrument

Audio
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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.