LZO File Extension

LZO file icon

LZO Compressed Format

What is a LZO file?

The LZO extension is used by LZO Compressed Format and falls under the categories of Plugin Files and Compressed Files, covering 1072 files.

LZO files are supported by Windows, Mac OS and Linux. There are 3 programs available to open a LZO file, including popular tools like lzop, Total Commander and ZipZag.

Programs that support LZO files

How to open a LZO file?

If you are having trouble opening a LZO file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

The most popular programs for working with LZO files are lzop, Total Commander and ZipZag. To install the current version of Total Commander, go directly to the official Ghisler website. The universal package for all operating systems is available there.

After setup, the operating system should recognize LZO files and link them with Total Commander.

Setting Total Commander as default LZO viewer

Changing the default program in Windows

  1. Right-click on your LZO file and choose the "Open With" option. Then click "Choose another app" to continue the process;
  2. Choose Total Commander from the available applications listed in the pop-up window to set it as the default application to open your LZO file;
  3. Be sure to check the "Always use this app" checkbox, and then click "OK" to confirm your selection.

Change the default app for a file type in Mac

  1. Initiate a right click or use Control + left click on the desired LZO file to open a menu where you can select various actions;
  2. Select "Open in application" and click "Other";
  3. Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
  4. Choose "All Programs" within this menu and locate Total Commander. Check the box next to "Always open in app" to set it as the default program.

How to edit a LZO file?

To edit LZO files, you need to install specialized software that allows you not only to open but also to modify plugin files. Online LZO editors usually provide fewer features than software created specifically for LZO Compressed Format.

Best LZO editors in 2026

Based on your described criteria, here is a list of available LZO editors.

LZO Editor SoftwareDeveloperPlatformsOverall Rating
lzopOberhumerWindows, Mac OS, Linux4.8 out of 5 (34 reviews)

Tips and tricks to solve problems with LZO files

LZO files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.

Are there any symptoms that my LZO file is damaged?

Corrupted LZO plugin files may have one or more of the following symptoms:

  • File hangs or crashes in Total Commander or other programs;
  • Error dialogs are displayed when interacting with the file;
  • The file does not open or opens with errors;
  • Unexplained increase in LZO file size;
  • Poor performance when editing a file in lzop;

Why does Total Commander crash or shut down frequently?

The absence of software updates can cause Total Commander to crash. It is recommended to install the latest available updates for Ghisler products.

Restarting your computer is an essential troubleshooting step that can resolve many common problems. It is recommended to restart your computer before making any changes to the software settings.

Is there any specific software or utility that can help repair a damaged LZO file?

Start a data recovery program and open the damaged LZO file. Go to the menu and select the "Repair" option to repair the file. Then wait for the recovery process to complete, which allows you to automatically repair corrupted plugin files.