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File Extensions

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

9
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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9 extensions
Data Letter: I Clear all
.IDX

Index File

Data
.IFC

Industry Foundation Classes

Data
.IGC

International Gliding Commission Flight Data File

Data
.IGES

Initial Graphics Exchange Specification

Data
.IGES (.IGS, .IGES)

Initial Graphics Exchange Specification

Data
.IGS

Initial Graphics Exchange Specification

Data
.IMG

Disk Image File

Data
.INF

Setup Information File

Data
.ITMT

iTones Music Theme File

Data
.IDX

Index File

Data
.IFC

Industry Foundation Classes

Data
.IGC

International Gliding Commission Flight Data File

Data
.IGES

Initial Graphics Exchange Specification

Data
.IGES (.IGS, .IGES)

Initial Graphics Exchange Specification

Data
.IGS

Initial Graphics Exchange Specification

Data
.IMG

Disk Image File

Data
.INF

Setup Information File

Data
.ITMT

iTones Music Theme File

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.