MHTML (MIME HTML) is a web page archive format used to combine, in a single document, the HTML code and its associated r...
Geography Markup Language (GML) is an XML grammar defined by the Open Geospatial Consortium (OGC) used to express geogra...
The file extension 'unknownfileformat1' is not a recognized or standard file format. This typically indicates a file wit...
Gridded binary data is a file format used to store numerical data arranged in a grid or matrix structure. This format is...
A DB3 file is a database file created by SQLite, a self-contained, serverless, zero-configuration, transactional SQL dat...
A Tableau Packaged Data Source (.tdsx) is a compressed archive containing a Tableau data source (.tds) file along with a...
ESRI Grid is a raster data storage format used by Esri's ArcGIS software for representing geographic data. It's a propri...
The 'unknownolecontrolextensionfile' is a generic placeholder name often encountered when a file's true type cannot be d...
A Digital Elevation Model (DEM) is a digital representation of ground surface topography or terrain. It's a raster datas...
Protocol Buffers (protobuf) are a language-neutral, platform-neutral, extensible mechanism for serializing structured da...
A Document Type Definition (DTD) is a set of markup declarations that define a document type for SGML (Standard Generali...
The .UNF file extension is associated with Uniface, a rapid application development (RAD) environment used for building ...
An SL3 file is a database file created by SQLite, a widely used relational database management system (RDBMS). SQLite da...
The 'unknownolecontrolextensionfile' extension typically indicates a file that is associated with OLE (Object Linking an...
The Quicken Interchange Format (QIF) is a file format developed by Intuit for exporting and importing financial data bet...
Relax NG (Relax Next Generation) is an XML schema language. An RNG file contains a schema written in the Relax NG compa...
The ODP file format is used for presentations created with OpenOffice Impress, LibreOffice Impress, and other OpenDocume...
The Motorola S-Record file format, often shortened to SREC, is a text-based format for conveying binary data. It's prima...
RELAX NG (Regular Language for XML Next Generation) is a schema language for XML. The .relax extension specifically refe...
The IQTEST file extension is associated with data files used by various IQ (Intelligence Quotient) testing software or p...
The BIL (Band Interleaved by Line) file format is a raster data storage format commonly used in remote sensing and geogr...
The Advanced Stream Redirector (ASX) file format is a type of XML-based metafile used by Microsoft's Windows Media Playe...
The BSQ (Band Sequential) file format is a common raster data format used primarily in remote sensing and geographic inf...
The Motorola S-Record file format, also known as S19, S28, or S37 files, is a text-based format for conveying binary dat...
Categories are organized by file type purpose: Documents, Images, Audio, Video, Archives, Executables, Data files, and Programming files.
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Each extension page includes software compatibility, file descriptions, alternatives, and usage information.