COL file extension. How to open and convert files with COL file suffix

There are 13 other file types using
the COL file extension!

.col - Autodesk color palette

.col - Lotus Notes import column description data

.col - Microsoft Multiplan spreadsheet

.col - Bibexcel data

.col - Embroidery Thread Color format

.col - Grand Theft Auto III collision data

.col - Microsoft Movie Maker collection data

.col - MPEG Audio Collection data

.col - SequoiaView colour template file

.col - Phase One session

.col - EA IFF color map

.col - Internet Color Wizard color scheme

.col - Technicolor Dream picture image

COL file extension - HTML Help collection data

What is col file? How to open col files?

File type specification:

Various data file type

The col file extension is associated with Compiled HTML Help, an on-line format used by Microsoft Windows 98 operating system to store help documents. The col file stores some kind of collection data.

The Compiled HTML Help format is still supported in Microsoft Windows 7.

Updated: December 30, 2024

The default software associated to open col file:

Microsoft Windows

Company or developer:
Microsoft Corporation

A family of operating systems developed by Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS. Currently, the latest version is Microsoft Windows 11.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

File identification strings:

HEX code: 3C 58 4D 4C 3E 0D 0A 3C 48 54 4D 4C 48 65 6C 70
ASCII code: XML HTMLHelpCollection

List of recommended software applications associated to the .col file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open col file, edit col file, convert col file, view col file, play col file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with col file - HTML Help collection data

Click on the software link for more information about Microsoft Windows. Microsoft Windows uses col file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Main software associated with col file by default:
Microsoft Windows
Other suggested software:
Microsoft Windows 2000 (obsolete/discontinued)
Microsoft Windows Millennium Edition
Microsoft Windows XP Professional
Microsoft Windows Vista
Microsoft Windows 7

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