>> HL1 file

HL1 file format description

Many people share .hl1 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .hl1 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .hl1 files.

1 filename extension(s) found in our database.

.hl1 - Half-Life Saved Game

The HL1 game data files are related to Half-Life. The HL1 file is a Half-Life Saved Game. Half-Life is a first-person shooter game developed by Valve and published by Sierra Studios for Windows in 1998.

Game Data files
- / -
Half-Life Saved Game related extensions:
Half-Life Map Collision Hull Data
Half-Life Game Model Data
Half-Life Map Creation Debug Data
Half-Life Model Compiler Script
Half-Life Sprite Data

Naturally, other applications may also use the .hl1 file extension. Even harmful programs can create .hl1 files. Be especially cautious with .hl1 files coming from an unknown source!

Can't open a .hl1 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 .hl1 file extension is often given incorrectly!

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

bl1, h11, hi1, hl, hll, hlq, hlw, hp1, ml1

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

MultiLedger Balance Data
FindinSite Database
HP Graphic Language Document
Boulder Dash Game Data
Harpoon Classic Game Data

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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