.OL File Extension

File Type:
Valve Hammer Object Layout File

Having trouble opening .ol extension? Don't panic! This page explains what ol files are as well as suggests programs you may use to open ol files. You can download these programs through this page.

What is a OL file?

Ol file extension has Valve Hammer Object Layout file type, developed by Valve, which is associated with the "3d image files" category.

Valve Hammer Editor is a mapping application for the Goldsource engine (early version of Counter-Strike and Half-Life games). It is integrated into the Source engine SDK. Files created by this editor use the .OL extension. They contain objects and their .WAD files. Hammer Editor references these files to map out textures and in-game objects.  

To learn how you can open the given file, read the information below.

ol file icon
File Type:
Valve Hammer Object Layout File
3D Image Files

How to open OL file?

Double click the ol file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .ol extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the ol extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the ol file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open OL files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the ol file as well. Download Universal File Viewer for your OS.

Download for Win
Secure download
Download for Mac
Secure download