Opening a LI$ File

The LI$ file type is primarily associated with MS Compressed Library.

LI$File Extension LI$
File extension: LI$
File type:  MS Compressed Library files

What is a LI$ file?

LI$ files mostly belong to MS Compressed Library. Decompress with UNPACK.EXE.

How to open a LI$ file

You need a suitable software like MS Compressed Library to open a LI$ file. You need a suitable software like MS Compressed Library to open a LI$ file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your LI$ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a LI$ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online LI$ Text Viewer

Choose your .li$ file to analyze

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.LI$ File Not Opening? How to Fix It:

Because .LI$ files can originate from various systems, they aren't universally openable with standard software.

  1. Identify the Source: If received from a legacy Windows installation or a software developer, it is likely an MS Compressed Library file.
  2. Check the Header: Open the file in a hex viewer to inspect its first bytes:
    • SZDD or KWAJ indicates a legacy Microsoft compressed file.
    • MSCF suggests a Microsoft Cabinet archive.
    • Readable text might imply a custom configuration file.
  3. Use the Original Software: The original program is usually required; try Microsoft Expand, 7-Zip, or ask the sender if uncertain.
  4. Use this Webpage: Drag and drop your .LI$ file onto this page to automatically detect its format, extract readable metadata, and preview its contents.

Technical Data for LI$ File Extension


a li$ MS Compressed Library file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with LI$ files

  • Associate the LI$ file extension with the correct application.
  • Update your software that should actually open MS Compressed Library files. Because only the current version supports the latest LI$ file format. Search, therefore, e.g. on the manufacturer website after an available MS Compressed Library update.
  • To make sure that your LI$ file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .LI$ file online - secure, fast, and no downloads needed.
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