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.
Refine your search with categories and letters
The FAA file extension represents a FASTA Amino Acid file, which is a text-based format used in bioinformatics and molecular biology t…
The FASTA format is a text-based format for representing either nucleotide sequences or amino acid (protein) sequences, in which nucle…
The FASTQ format is a text-based file format used for storing biological sequence data, specifically the output from high-throughput D…
FictionBook (FB2) is an XML-based e-book format primarily designed for representing books in a structured and standardized way. Its ma…
The FBX file format, short for Filmbox, is a proprietary file format developed by Autodesk. It's primarily used for exchanging 3D data…
The fcpxmld file format is a specialized XML-based data structure used by Apple's Final Cut Pro (FCP) non-linear video editing softwar…
An FDB file is a database file created and used by the Firebird relational database management system (RDBMS). Firebird is an open-sou…
The FDS file extension is associated with Final Draft, a screenwriting software application widely used in the film and television ind…
The FDX file format is the native file format for Final Draft, a popular screenwriting software used extensively in the film and telev…
The Feather file format is a lightweight, columnar data format designed for fast data transfer between data analysis environments. It'…
The FIT (Flexible and Interoperable Data Transfer) file format is a compact, binary file format designed specifically for the storage…
The 'FLIP' file extension is most commonly associated with digital flipbooks or interactive presentations created by various software…
The FNA file extension represents a FASTA Nucleic Acid file, which is a specialized text-based format widely utilized in the fields of…
The FOF file extension, standing for 'File of Files' or 'Folders of Files,' is primarily used as a manifest or index file in specializ…
An FPT file is a memo file used by various database management systems, most notably Visual FoxPro, FoxPro, and dBase. These files are…
The FQ file extension, commonly referred to as FASTQ, is a text-based file format widely used in bioinformatics for storing biological…
An FR3 file is a report design template created by FastReport, a powerful reporting tool used primarily in software development enviro…
The FRN file extension is primarily associated with the Golden Orchard software suite, specifically used for data storage and configur…
The FRP file extension is primarily associated with FastReport, a powerful reporting tool used by developers to generate complex repor…
The FRX file extension is primarily associated with Microsoft FoxPro, a database management system that was popular in the late 1980s…
The FSA file format is a specific variation of the FASTA format, which is the industry standard for representing nucleotide sequences…
A 'fumen' file is a binary data format primarily used by the 'Taiko no Tatsujin' (Drum Master) series of rhythm games developed by Ban…
The FXP file extension is primarily associated with compiled report files generated by FastReport, a popular reporting tool often used…
The FAA file extension represents a FASTA Amino Acid file, which is a text-based format used in bioinformatics and molecular biology to store protein sequences…
The FASTA format is a text-based format for representing either nucleotide sequences or amino acid (protein) sequences, in which nucleotides or amino acids are…
The FASTQ format is a text-based file format used for storing biological sequence data, specifically the output from high-throughput DNA sequencing instruments…
FictionBook (FB2) is an XML-based e-book format primarily designed for representing books in a structured and standardized way. Its main goal is to preserve th…
The FBX file format, short for Filmbox, is a proprietary file format developed by Autodesk. It's primarily used for exchanging 3D data between different 3D app…
The fcpxmld file format is a specialized XML-based data structure used by Apple's Final Cut Pro (FCP) non-linear video editing software. Introduced as a succes…
An FDB file is a database file created and used by the Firebird relational database management system (RDBMS). Firebird is an open-source SQL database engine t…
The FDS file extension is associated with Final Draft, a screenwriting software application widely used in the film and television industry. An FDS file stores…
The FDX file format is the native file format for Final Draft, a popular screenwriting software used extensively in the film and television industry. It's spec…
The Feather file format is a lightweight, columnar data format designed for fast data transfer between data analysis environments. It's particularly well-suite…
The FIT (Flexible and Interoperable Data Transfer) file format is a compact, binary file format designed specifically for the storage and sharing of data gener…
The 'FLIP' file extension is most commonly associated with digital flipbooks or interactive presentations created by various software applications designed to…
The FNA file extension represents a FASTA Nucleic Acid file, which is a specialized text-based format widely utilized in the fields of bioinformatics and molec…
The FOF file extension, standing for 'File of Files' or 'Folders of Files,' is primarily used as a manifest or index file in specialized data processing enviro…
An FPT file is a memo file used by various database management systems, most notably Visual FoxPro, FoxPro, and dBase. These files are designed to store large…
The FQ file extension, commonly referred to as FASTQ, is a text-based file format widely used in bioinformatics for storing biological polymer sequences, typic…
An FR3 file is a report design template created by FastReport, a powerful reporting tool used primarily in software development environments such as Delphi, C+…
The FRN file extension is primarily associated with the Golden Orchard software suite, specifically used for data storage and configuration management within t…
The FRP file extension is primarily associated with FastReport, a powerful reporting tool used by developers to generate complex reports for applications built…
The FRX file extension is primarily associated with Microsoft FoxPro, a database management system that was popular in the late 1980s and 1990s, and its succes…
The FSA file format is a specific variation of the FASTA format, which is the industry standard for representing nucleotide sequences or peptide sequences in b…
A 'fumen' file is a binary data format primarily used by the 'Taiko no Tatsujin' (Drum Master) series of rhythm games developed by Bandai Namco. The term 'fume…
The FXP file extension is primarily associated with compiled report files generated by FastReport, a popular reporting tool often used in conjunction with vari…
Everything you need to know about file extensions