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File Extensions

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

32
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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32 extensions
Letter: O Clear all
.OSGB

OpenSceneGraph Binary File

Data
.OSGT

OpenSceneGraph Text File

Data
.OSM

OpenStreetMap Map

Data
.OSU

osu! Beatmap File

Data
.OTF

OpenType Font

Data
.OTIO

Open Timeline I/O

Data
.OTP

OpenDocument Presentation Template

Data
.OTS

OpenDocument Spreadsheet Template

Data
.OSGB

OpenSceneGraph Binary File

Data
.OSGT

OpenSceneGraph Text File

Data
.OSM

OpenStreetMap Map

Data
.OSU

osu! Beatmap File

Data
.OTF

OpenType Font

Data
.OTIO

Open Timeline I/O

Data
.OTP

OpenDocument Presentation Template

Data
.OTS

OpenDocument Spreadsheet Template

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.