HCW file format description

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

1 filename extension(s) found in our database.

.hcw - HTML Help Workshop Conversion Wizard Macro

The HCW data files are related to HTML Help Workshop. The HCW file is a HTML Help Workshop Conversion Wizard Macro. Microsoft HTML Help Workshop is a component of the software development kit for HTML Help.

HTML Help Workshop
Data files
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HTML Help Workshop Conversion Wizard Macro related extensions:
CCITT Group 4 Encoded Fax
ImageMagick Pango Data
DameWare Exporter File
SAS v7 Sequential Access File Multi-dimensional Database
Google Chrome Cache Data
Microsoft .NET Installation State Data

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

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

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

bcw, chw, cw, gcw, hc, hca, hcd, hce, hcs, hdw, hfw, hsw, hw, hxw, jcw

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CardWorks Template
TurboCAD Drawing
Microsoft Mathematics Worksheet
Microsoft Word for Macintosh Document
ICM Hourly Climatic Database
High Resolution Continuous-tone TIFF Image

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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

DataTypes.net >> HCW file