Data files can be plain text, structured records, binary databases, caches, or application-specific resources. Avoid editing an unknown data file directly, keep a backup, and use the application that originally created it whenever possible.
Common file types in this category
Filter this category by the first letter of the extension.
An OBB file is an expansion file used by the Android operating system to store additional data for applications. Because Android applic...
The Wavefront .OBJ file format is a geometry definition file format first developed by Wavefront Technologies for its Advanced Visualiz...
The ODB file extension represents a database file created using the OpenDocument standard. It is the native file format for Base, the d...
The ODP file extension stands for OpenDocument Presentation. It is an XML-based file format used for creating and sharing electronic pr...
The ODS file extension represents a spreadsheet document format used by OpenOffice and LibreOffice, both open-source office suites. It'...
The OFX (Open Financial Exchange) file format is a standardized specification for the electronic exchange of financial data between fin...
The file extension 'olecontrolextension1' is not a standard or widely recognized file extension. It likely represents a proprietary or...
The 'olecontrolextension10' file extension is associated with data related to OLE (Object Linking and Embedding) controls, specifically...
The term 'olecontrolextension2' is not a standard or recognized file extension. It's highly likely that this is a placeholder, a tempor...
The 'olecontrolextension6' file extension is not a standard or widely recognized file format. It's highly likely that this extension is...
The file extension 'olecontrolextension7' is not a standard or widely recognized file extension. It likely represents a proprietary or...
The file extension 'olecontrolextension8' is not a standard or widely recognized file extension. It likely represents a proprietary or...
The file extension 'olecontrolextension9' is not a standard or widely recognized file extension. It likely represents a proprietary or...
Outline Processor Markup Language (OPML) is an XML-based file format designed for the exchange of outline-structured information betwee...
ORC (Optimized Row Columnar) is a self-describing, type-aware columnar file format designed for Hadoop workloads. It is optimized for l...
The OSGB file format is a binary representation of a 3D scene graph used primarily by the OpenSceneGraph (OSG) library, which is an ope...
The OSGT file format is a text-based representation of a 3D scene graph used by the OpenSceneGraph (OSG) library. OpenSceneGraph is an...
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...
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...
The OTF (OpenType Font) file format is a widely used standard for digital fonts, developed jointly by Microsoft and Adobe. It's an exte...
Open Timeline I/O (OTIO) is an open-source ecosystem designed to facilitate the interchange of editorial timeline information between d...
The OTP file extension stands for OpenDocument Presentation Template. It is an XML-based file format used for creating presentation tem...
An OTS file is a spreadsheet template created using the OpenDocument standard, which is an open, XML-based file format for office appli...
An Open Virtual Appliance (OVA) file is a package that contains files used to describe a virtual machine. It is based on the Open Virtu...
An OBB file is an expansion file used by the Android operating system to store additional data for applications. Because Android application packages...
The Wavefront .OBJ file format is a geometry definition file format first developed by Wavefront Technologies for its Advanced Visualizer animation pa...
The ODB file extension represents a database file created using the OpenDocument standard. It is the native file format for Base, the database managem...
The ODP file extension stands for OpenDocument Presentation. It is an XML-based file format used for creating and sharing electronic presentations, in...
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...
The OFX (Open Financial Exchange) file format is a standardized specification for the electronic exchange of financial data between financial institut...
The file extension 'olecontrolextension1' is not a standard or widely recognized file extension. It likely represents a proprietary or custom file for...
The 'olecontrolextension10' file extension is associated with data related to OLE (Object Linking and Embedding) controls, specifically version 1.0. O...
The term 'olecontrolextension2' is not a standard or recognized file extension. It's highly likely that this is a placeholder, a temporary file name...
The 'olecontrolextension6' file extension is not a standard or widely recognized file format. It's highly likely that this extension is either a custo...
The file extension 'olecontrolextension7' is not a standard or widely recognized file extension. It likely represents a proprietary or custom file for...
The file extension 'olecontrolextension8' is not a standard or widely recognized file extension. It likely represents a proprietary or custom file for...
The file extension 'olecontrolextension9' is not a standard or widely recognized file extension. It likely represents a proprietary or custom file for...
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) is a self-describing, type-aware columnar file format designed for Hadoop workloads. It is optimized for large-scale data...
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...
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...
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...
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...
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...
Open Timeline I/O (OTIO) is an open-source ecosystem designed to facilitate the interchange of editorial timeline information between different softwa...
The OTP file extension stands for OpenDocument Presentation Template. It is an XML-based file format used for creating presentation templates that ser...
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...
An Open Virtual Appliance (OVA) file is a package that contains files used to describe a virtual machine. It is based on the Open Virtualization Forma...