Browse file extensions by category or letter. Learn what each file type is used for and find software that can open, view, edit, or convert it.
Use this directory to look up file formats, understand what files are used for, and find compatible applications for Windows, macOS, Linux, mobile, and online tools.
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An RCFILE is a configuration file used by various applications, particularly in Unix-like operating systems. The 'rc' suffix is a hist…
The RData file format is the native binary format used by the R programming language, a widely utilized environment for statistical co…
The RDF (Resource Description Framework) file extension represents a metadata file format used to store information about resources on…
The RDLC file format stands for Report Definition Language Client-side. It is an XML-based file format developed by Microsoft, specifi…
The RDS file format is a proprietary binary format used by the R programming language to store a single R object. Unlike other formats…
A .reg file is a text-based file format used by Microsoft Windows to store and import registry settings. The Windows Registry is a hie…
An RFA file is a Revit Family file. Revit is a Building Information Modeling (BIM) software used by architects, engineers, and constru…
A .rgn file is primarily associated with Garmin GPS devices and is used to store region-specific data, most commonly for firmware upda…
An RPT file is a report file most commonly associated with SAP Crystal Reports, a business intelligence application used to design and…
reStructuredText (RST, ReST, or reST) is a plain text markup syntax similar to Markdown. It is primarily used for technical documentat…
The RVT file extension is associated with Autodesk Revit, a Building Information Modeling (BIM) software used extensively in the archi…
An RCFILE is a configuration file used by various applications, particularly in Unix-like operating systems. The 'rc' suffix is a historical convention, often…
The RData file format is the native binary format used by the R programming language, a widely utilized environment for statistical computing and graphics. The…
The RDF (Resource Description Framework) file extension represents a metadata file format used to store information about resources on the web. Developed by th…
The RDLC file format stands for Report Definition Language Client-side. It is an XML-based file format developed by Microsoft, specifically designed for use wi…
The RDS file format is a proprietary binary format used by the R programming language to store a single R object. Unlike other formats that might save an entir…
A .reg file is a text-based file format used by Microsoft Windows to store and import registry settings. The Windows Registry is a hierarchical database that s…
An RFA file is a Revit Family file. Revit is a Building Information Modeling (BIM) software used by architects, engineers, and construction professionals to de…
A .rgn file is primarily associated with Garmin GPS devices and is used to store region-specific data, most commonly for firmware updates or map segments. Thes…
An RPT file is a report file most commonly associated with SAP Crystal Reports, a business intelligence application used to design and generate reports from a…
reStructuredText (RST, ReST, or reST) is a plain text markup syntax similar to Markdown. It is primarily used for technical documentation, software documentati…
The RVT file extension is associated with Autodesk Revit, a Building Information Modeling (BIM) software used extensively in the architecture, engineering, and…
Everything you need to know about file extensions