Category Overview

Data File Extensions

Browse all Data file extensions with detailed information about compatibility, usage, and alternatives.

23
Data Extensions

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23 Data extensions available
.OBB

Opaque Binary Blob

An OBB file is an expansion file used by the Android operating system to store additional data for applications. Because Android applic...

Data
.OBJ (.OBJ)

Wavefront OBJ File

The Wavefront .OBJ file format is a geometry definition file format first developed by Wavefront Technologies for its Advanced Visualiz...

Data
.ODB

OpenDocument Database

The ODB file extension represents a database file created using the OpenDocument standard. It is the native file format for Base, the d...

Data
.ODP

OpenDocument Presentation

The ODP file extension stands for OpenDocument Presentation. It is an XML-based file format used for creating and sharing electronic pr...

Data
.ODS

OpenDocument Spreadsheet

The ODS file extension represents a spreadsheet document format used by OpenOffice and LibreOffice, both open-source office suites. It'...

Data
.OFX

Open Financial Exchange

The OFX (Open Financial Exchange) file format is a standardized specification for the electronic exchange of financial data between fin...

Data
.OLECONTROLEXTENSION1

Unknown OLE Control Extension File

The file extension 'olecontrolextension1' is not a standard or widely recognized file extension. It likely represents a proprietary or ...

Data
.OLECONTROLEXTENSION10

OLE Control Extension 1.0

The 'olecontrolextension10' file extension is associated with data related to OLE (Object Linking and Embedding) controls, specifically...

Data
.OLECONTROLEXTENSION2

OLE Control Extension 2

The term 'olecontrolextension2' is not a standard or recognized file extension. It's highly likely that this is a placeholder, a tempor...

Data
.OLECONTROLEXTENSION6

OLE Control Extension 6

The 'olecontrolextension6' file extension is not a standard or widely recognized file format. It's highly likely that this extension is...

Data
.OLECONTROLEXTENSION7

Unknown OLE Control Extension 7 File

The file extension 'olecontrolextension7' is not a standard or widely recognized file extension. It likely represents a proprietary or ...

Data
.OLECONTROLEXTENSION8

Unknown OLE Control Extension 8 File

The file extension 'olecontrolextension8' is not a standard or widely recognized file extension. It likely represents a proprietary or ...

Data
.OLECONTROLEXTENSION9

Unknown OLE Control Extension 9 File

The file extension 'olecontrolextension9' is not a standard or widely recognized file extension. It likely represents a proprietary or ...

Data
.OPML

Outline Processor Markup Language

Outline Processor Markup Language (OPML) is an XML-based file format designed for the exchange of outline-structured information betwee...

Data
.ORC

Optimized Row Columnar

ORC (Optimized Row Columnar) is a self-describing, type-aware columnar file format designed for Hadoop workloads. It is optimized for l...

Data
.OSGB

OpenSceneGraph Binary File

The OSGB file format is a binary representation of a 3D scene graph used primarily by the OpenSceneGraph (OSG) library, which is an ope...

Data
.OSGT

OpenSceneGraph Text File

The OSGT file format is a text-based representation of a 3D scene graph used by the OpenSceneGraph (OSG) library. OpenSceneGraph is an ...

Data
.OSM

OpenStreetMap Map

The OSM file format is a data format used by OpenStreetMap (OSM), a collaborative project to create a free editable map of the world. O...

Data
.OSU

osu! Beatmap File

An .osu file is a plain text document used by the rhythm game 'osu!' to define the structure and gameplay elements of a specific song, ...

Data
.OTF

OpenType Font

The OTF (OpenType Font) file format is a widely used standard for digital fonts, developed jointly by Microsoft and Adobe. It's an exte...

Data
.OTIO

Open Timeline I/O

Open Timeline I/O (OTIO) is an open-source ecosystem designed to facilitate the interchange of editorial timeline information between d...

Data
.OTP

OpenDocument Presentation Template

The OTP file extension stands for OpenDocument Presentation Template. It is an XML-based file format used for creating presentation tem...

Data
.OTS

OpenDocument Spreadsheet Template

An OTS file is a spreadsheet template created using the OpenDocument standard, which is an open, XML-based file format for office appli...

Data
.OBB

Opaque Binary Blob

An OBB file is an expansion file used by the Android operating system to store additional data for applications. Because Android application packages ...

.OBJ (.OBJ)

Wavefront OBJ File

The Wavefront .OBJ file format is a geometry definition file format first developed by Wavefront Technologies for its Advanced Visualizer animation pa...

.ODB

OpenDocument Database

The ODB file extension represents a database file created using the OpenDocument standard. It is the native file format for Base, the database managem...

.ODP

OpenDocument Presentation

The ODP file extension stands for OpenDocument Presentation. It is an XML-based file format used for creating and sharing electronic presentations, in...

.ODS

OpenDocument Spreadsheet

The ODS file extension represents a spreadsheet document format used by OpenOffice and LibreOffice, both open-source office suites. It's part of the O...

.OFX

Open Financial Exchange

The OFX (Open Financial Exchange) file format is a standardized specification for the electronic exchange of financial data between financial institut...

.OLECONTROLEXTENSION1

Unknown OLE Control Extension File

The file extension 'olecontrolextension1' is not a standard or widely recognized file extension. It likely represents a proprietary or custom file for...

.OLECONTROLEXTENSION10

OLE Control Extension 1.0

The 'olecontrolextension10' file extension is associated with data related to OLE (Object Linking and Embedding) controls, specifically version 1.0. O...

.OLECONTROLEXTENSION2

OLE Control Extension 2

The term 'olecontrolextension2' is not a standard or recognized file extension. It's highly likely that this is a placeholder, a temporary file name, ...

.OLECONTROLEXTENSION6

OLE Control Extension 6

The 'olecontrolextension6' file extension is not a standard or widely recognized file format. It's highly likely that this extension is either a custo...

.OLECONTROLEXTENSION7

Unknown OLE Control Extension 7 File

The file extension 'olecontrolextension7' is not a standard or widely recognized file extension. It likely represents a proprietary or custom file for...

.OLECONTROLEXTENSION8

Unknown OLE Control Extension 8 File

The file extension 'olecontrolextension8' is not a standard or widely recognized file extension. It likely represents a proprietary or custom file for...

.OLECONTROLEXTENSION9

Unknown OLE Control Extension 9 File

The file extension 'olecontrolextension9' is not a standard or widely recognized file extension. It likely represents a proprietary or custom file for...

.OPML

Outline Processor Markup Language

Outline Processor Markup Language (OPML) is an XML-based file format designed for the exchange of outline-structured information between applications....

.ORC

Optimized Row Columnar

ORC (Optimized Row Columnar) is a self-describing, type-aware columnar file format designed for Hadoop workloads. It is optimized for large-scale data...

.OSGB

OpenSceneGraph Binary File

The OSGB file format is a binary representation of a 3D scene graph used primarily by the OpenSceneGraph (OSG) library, which is an open-source, high-...

.OSGT

OpenSceneGraph Text File

The OSGT file format is a text-based representation of a 3D scene graph used by the OpenSceneGraph (OSG) library. OpenSceneGraph is an open-source, hi...

.OSM

OpenStreetMap Map

The OSM file format is a data format used by OpenStreetMap (OSM), a collaborative project to create a free editable map of the world. OSM files store ...

.OSU

osu! Beatmap File

An .osu file is a plain text document used by the rhythm game 'osu!' to define the structure and gameplay elements of a specific song, known as a beat...

.OTF

OpenType Font

The OTF (OpenType Font) file format is a widely used standard for digital fonts, developed jointly by Microsoft and Adobe. It's an extension of the Tr...

.OTIO

Open Timeline I/O

Open Timeline I/O (OTIO) is an open-source ecosystem designed to facilitate the interchange of editorial timeline information between different softwa...

.OTP

OpenDocument Presentation Template

The OTP file extension stands for OpenDocument Presentation Template. It is an XML-based file format used for creating presentation templates that ser...

.OTS

OpenDocument Spreadsheet Template

An OTS file is a spreadsheet template created using the OpenDocument standard, which is an open, XML-based file format for office applications. This s...

Frequently Asked Questions

About Data Files

Common questions about this file category and related extensions.

Frequently Asked Questions

3 Questions

File extension categories are organized based on file purpose and usage, such as document files, image formats, audio files, video files, and system-related extensions.

Yes, you can browse file extensions alphabetically to quickly find extensions starting with a specific letter.

Each extension page includes a clear description, typical use cases, compatible software, supported platforms, and related or alternative file formats.