KSML file format description

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

1 filename extension(s) found in our database.

.ksml - Halo Custom Edition Data

The KSML game data files are related to Halo Custom Edition. The KSML file is a Halo Custom Edition Data. Halo Custom Edition is a special version of the Halo PC game that has been created by the original developers to allow custom maps and game modes. The Halo Custom Edition seems to be no longer supported.

Halo Custom Edition
Game Data files
- / -
Halo Custom Edition Data related extensions:
Pajama Sam 4 Game Archive
RollerCoaster Tycoon 3 Fireworks Data
Children of the Nile Campaign Data
SimCity 4 Lot Data
Telltale Games Archive
Zillions of Games Solution Saved Game

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

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

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

jsml, kml, ksl, ksm, lsml, sml

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Visual Studio LightSwitch Model Fragment
KEDIT Macro Library
Simile Model
EMU48 KML Script
ArcInfo Simple Macro Language Data
Karaoke Song List Creator Data

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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DataTypes.net >> KSML file