>> FDK file

FDK file format description

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

1 filename extension(s) found in our database.

.fdk - Fluentizer Dictionary Data

The FDK data files are related to Fluentizer. FDK file is a Fluentizer Dictionary Data. Fluentizer is a software that will help you practice understanding native English speakers. The Fluentizer seems to be no longer supported.

Data files
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Fluentizer Dictionary Data related extensions:
CricketGraph Data
theWord Encrypted Bible Text Module
BillQuick Database
OpenCanvas 4 Event
Lighthouse Organizer Data
Clarion Database Keys

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

Can't open a .fdk 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.

The .fdk file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

bdk, cdk, vdk, rdk, tdk, fwk, frk, fdo, fdl, edk, dfk, fsk, fkd, fdm, fd

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

BlackBerry RIM Development Key
OS/2 Floppy Disk Image
CADKEY Document
Advance Design Project Backup
FlashDevelop Layout File

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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