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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The .accdb file extension is the default file format for databases created with Microsoft Access, a relational database management sys…
The ACIS file format, identified by the '.acis' or '.sat' (Standard ACIS Text) extension, is a geometric modeling kernel developed by…
The .sat file extension is associated with ACIS, a geometric modeling kernel developed by Spatial Corporation (now part of Dassault Sy…
The ACIS (.sat, .sab) file format is a geometric modeling kernel developed by Spatial Corporation (now part of Dassault Systèmes). It…
The ADG file format is a proprietary file type developed by Ableton for use within their digital audio workstation, Ableton Live. It s…
An ADM file is a Group Policy Administrative Template used by Microsoft Windows operating systems to define registry-based policy sett…
The ADML file format is a language-specific resource file used in conjunction with ADMX (Administrative Template) files within the Mic…
The ADMX file extension represents a Group Policy Administrative Template file used by Microsoft Windows operating systems. Introduced…
An AMC (Acclaim Motion Capture) file is a specialized data file format used to store 3D motion capture animation data. Originally deve…
The Additive Manufacturing File Format (AMF) is an open standard file format designed for describing objects intended for 3D printing…
The AMTI file extension is primarily associated with Anquet Maps, a digital mapping software widely used in the United Kingdom for out…
The APKM file extension typically refers to the manifest file associated with an Android Package Kit (APK). While the APK itself is an…
The ARFF (Attribute-Relation File Format) is a text file format developed by the Machine Learning Group at the University of Waikato f…
The Apache Arrow IPC Stream format (.arrow) is a binary file format designed for efficient data transfer and storage, particularly wit…
The ASCII Grid file format (.asc) is a plain text raster data format commonly used for representing spatial data, particularly elevati…
AsciiDoc is a human-readable document format that is semantically equivalent to DocBook XML, but uses a plain text markup language. It…
A Unity Asset Bundle is an archive file that contains platform-specific non-code assets such as models, textures, prefabs, audio clips…
The .assets file extension is primarily associated with the Unity game engine, developed by Unity Technologies. These files serve as r…
The ASX file format, short for Advanced Stream Redirector, is a type of XML-based metafile used by Microsoft's Windows Media Player. I…
DWG (Drawing) is a proprietary binary file format used for storing two- and three-dimensional design data and metadata. It is the nati…
Avro is a data serialization system developed within the Apache Hadoop project. It provides a rich data structure, a compact, fast, bi…
AXML, which stands for Android Binary XML, is a specialized binary format used by the Android operating system to store XML-based reso…
The AZW file format is a proprietary ebook format developed by Amazon for use on its Kindle e-readers and Kindle apps. It is based on…
AZW3, also known as Kindle Format 8 (KF8), is a refined version of the AZW file format used by Amazon Kindle e-readers. It's essential…
The .accdb file extension is the default file format for databases created with Microsoft Access, a relational database management system (RDBMS) from Microsof…
The ACIS file format, identified by the '.acis' or '.sat' (Standard ACIS Text) extension, is a geometric modeling kernel developed by Spatial Corporation (now…
The .sat file extension is associated with ACIS, a geometric modeling kernel developed by Spatial Corporation (now part of Dassault Systèmes). SAT files store…
The ACIS (.sat, .sab) file format is a geometric modeling kernel developed by Spatial Corporation (now part of Dassault Systèmes). It's a widely used format f…
The ADG file format is a proprietary file type developed by Ableton for use within their digital audio workstation, Ableton Live. It stands for 'Ableton Device…
An ADM file is a Group Policy Administrative Template used by Microsoft Windows operating systems to define registry-based policy settings. These files contain…
The ADML file format is a language-specific resource file used in conjunction with ADMX (Administrative Template) files within the Microsoft Windows Group Poli…
The ADMX file extension represents a Group Policy Administrative Template file used by Microsoft Windows operating systems. Introduced in Windows Vista and Win…
An AMC (Acclaim Motion Capture) file is a specialized data file format used to store 3D motion capture animation data. Originally developed by Acclaim Entertai…
The Additive Manufacturing File Format (AMF) is an open standard file format designed for describing objects intended for 3D printing. It was developed as a su…
The AMTI file extension is primarily associated with Anquet Maps, a digital mapping software widely used in the United Kingdom for outdoor recreation, navigati…
The APKM file extension typically refers to the manifest file associated with an Android Package Kit (APK). While the APK itself is an archive containing all t…
The ARFF (Attribute-Relation File Format) is a text file format developed by the Machine Learning Group at the University of Waikato for describing datasets us…
The Apache Arrow IPC Stream format (.arrow) is a binary file format designed for efficient data transfer and storage, particularly within the Apache Arrow ecos…
The ASCII Grid file format (.asc) is a plain text raster data format commonly used for representing spatial data, particularly elevation models, terrain data…
AsciiDoc is a human-readable document format that is semantically equivalent to DocBook XML, but uses a plain text markup language. It's designed for writing n…
A Unity Asset Bundle is an archive file that contains platform-specific non-code assets such as models, textures, prefabs, audio clips, and even entire scenes…
The .assets file extension is primarily associated with the Unity game engine, developed by Unity Technologies. These files serve as resource containers that s…
The ASX file format, short for Advanced Stream Redirector, is a type of XML-based metafile used by Microsoft's Windows Media Player. It essentially acts as a p…
DWG (Drawing) is a proprietary binary file format used for storing two- and three-dimensional design data and metadata. It is the native format for AutoCAD, a…
Avro is a data serialization system developed within the Apache Hadoop project. It provides a rich data structure, a compact, fast, binary data format, a conta…
AXML, which stands for Android Binary XML, is a specialized binary format used by the Android operating system to store XML-based resources within an Android P…
The AZW file format is a proprietary ebook format developed by Amazon for use on its Kindle e-readers and Kindle apps. It is based on the Mobipocket format but…
AZW3, also known as Kindle Format 8 (KF8), is a refined version of the AZW file format used by Amazon Kindle e-readers. It's essentially a compiled HTML format…
Everything you need to know about file extensions