>> FASTQ file

FASTQ file format description

Many people share .fastq files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .fastq file can be edited, converted or printed with. On this page, we try to provide assistance for handling .fastq files.

1 filename extension(s) found in our database.

.fastq - FASTQ Sequence

The FASTQ data files are related to MAQ. FASTQ file is a FASTQ Sequence. FASTQ format is a text-based format for storing both a biological sequence (usually nucleotide sequence) and its corresponding quality scores.

Data files
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FASTQ Sequence related extensions:
SmartWare Cross-Tab Definition File
SmartMorph Animation
StarSplatter User Interface
Just Type Backup File
T-Online Ob4hbci Layout Print File
KD Player Skin

Naturally, other applications may also use the .fastq file extension. Even harmful programs can create .fastq files. Be especially cautious with .fastq files coming from an unknown source!

Can't open a .fastq file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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