>> CTW file

CTW file format description

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

1 filename extension(s) found in our database.

.ctw - CTW Compressed File

The CTW archive files are related to CTW. CTW file is a CTW Compressed File. CTW (Context Tree Weighting) is an effective lossless compression algorithm that is especially suitable for compressing text files.

Archive files
- / -
CTW Compressed File related extensions:
Backup Mill Backup Set
ANSYS IcePak Project Package
ALZip Archive
iWork Archive File
ALZip Archive
Krypter Encrypted Data

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

Can't open a .ctw 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 .ctw file extension is often given incorrectly!

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

cfw, chw, crw, ct, cta, ctd, cte, cts, cw, cwt, dtw, ftw, stw, tcw, tw

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

TIFF Contone File
FontTwister Saved Text Effect
Canon Raw Image
CardWorks Template
Cheat Engine Cheat Table
CHARTrunner Workspace

Operating systems 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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If you have useful information about the .ctw file format, then write to us!