LZH file extension
The table below provides useful information about the .lzh file extension. It answers questions such as:
- What is the .lzh file?
- What program do I need to open a .lzh file?
- How can the .lzh file be opened, edited or printed?
- How can I convert .lzh files to another format?
Table of Contents
- ✅ LHarc Compressed Archive
- 🔄 .lzh file converters
- 🚫 .lzh file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ LHarc Compressed Archive

The LZH file is an LHarc Compressed Archive. LHarc is a freeware compression utility and associated file format, it was created by Haruyasu Yoshizaki.
Other types of files may also use the .lzh file extension.
🚫 The .lzh file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .lzh 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 cannot open this file:
example.lzh
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .lzh file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .lzh file extension, write to us!