6 votes
LIX File - What is a .lix file and how do I open it?
Learn about .LIX files and view a list of programs that open them.
Languages
Overview
What is a LIX file? An LIX file is a data file used by the Libronix Digital Library System (DLS), a digital book platform developed by Logos Bible Software used to manage and display electronic books, particularly theological and biblical resources. It contains the main content data for a licensed (unlocked) digital book, and works together with a corresponding .LSF file, which contains supporting information required for the resource to load and function properly within the software. Both files must be present for the book to open correctly.
More Information The LIX format is part of the internal file structure Libronix DLS implements to organize and access digital library content. These files store indexed, structured book data that allow users to search, navigate, and reference texts efficiently. Pastors, theologians, seminary students, and researchers who needed access to large collections of Bible translations, original Greek and Hebrew texts, commentaries, and other scholarly works widely used Libronix. The system later evolved into newer versions of Logos Bible Software, but Libronix DLS and its associated file types were central to earlier editions of the platform.
Document Icon
Breadcrumbs
DeveloperANDRITZ
Popularity2.0 | 2 Votes
Previous / Next
In-Depth
.LIX File Extension
2 file types use the .lix file extension.
Logos Library System File
| Developer | Logos Bible Software |
| Popularity |
2.7 | 6 Votes |
What is a LIX file?
An LIX file is a data file used by the Libronix Digital Library System (DLS), a digital book platform developed by Logos Bible Software used to manage and display electronic books, particularly theological and biblical resources. It contains the main content data for a licensed (unlocked) digital book, and works together with a corresponding .LSF file, which contains supporting information required for the resource to load and function properly within the software. Both files must be present for the book to open correctly.
More Information
The LIX format is part of the internal file structure Libronix DLS implements to organize and access digital library content. These files store indexed, structured book data that allow users to search, navigate, and reference texts efficiently.
Pastors, theologians, seminary students, and researchers who needed access to large collections of Bible translations, original Greek and Hebrew texts, commentaries, and other scholarly works widely used Libronix. The system later evolved into newer versions of Logos Bible Software, but Libronix DLS and its associated file types were central to earlier editions of the platform.
How to open a LIX file
You can open LIX files with Libronix Digital Library System (DLS), which was included with earlier versions of Logos Bible Software. Modern versions of Logos (Logos 4 and later) use a different internal resource format and no longer rely on LIX and LSF files as standalone book files.
If you have older Libronix resources in LIX format, they typically must be accessed through Libronix DLS (Logos 3). In many cases, purchased resources can be upgraded or re-downloaded in a newer format through your Logos account, provided the license is still valid. Simply placing a LIX file into a modern Logos installation will not make it open.
Open over 400 file formats with File Viewer Plus . Free Download
Programs that open or reference LIX files
Sort
Pricing
Program Name
Platform
Reset
X
Windows
Libronix Digital Library System
—
Discontinued
Paid
Mac
Libronix Digital Library System
—
Discontinued
Paid
Category: Data Files
Updated: February 13, 2026
ExtendSim Simulation Software Library
| Developer | ANDRITZ |
| Popularity |
2.0 | 2 Votes |
An LIX file is a library used by ANDRITZ ExtendSim, a simulation application for modeling and analyzing real-world processes, such as manufacturing systems, healthcare operations, supply chains, and business workflows. It stores a collection of reusable simulation components, often referred to as “blocks,” that represent processes, resources, logic functions, and data elements. Users can load LIX files into the software to build and customize simulation models.
More Information
The LIX format saves structured library data in a proprietary format designed specifically for ExtendSim. By loading a library, users gain access to specialized tools that help them construct dynamic models more efficiently. Engineers, analysts, researchers, and operations managers commonly use these libraries when developing simulations to test system performance, evaluate scenarios, and improve decision-making.
NOTE: Imagine That Inc. initially created ExtendSim but the international technology group ANDRITZ acquired the company and ExtendSim in 2023.
How to open a LIX file
You can open LIX files with ANDRITZ ExtendSim. To open an LIX file, select Library (or File , depending on your version), then choose the Open Library or Load Library option.
Programs that open LIX files
Sort
Pricing
Program Name
Platform
Reset
X
Windows
ANDRITZ ExtendSim
Free Trial
Mac
ANDRITZ ExtendSim
Free Trial
Category: Data Files
Updated: February 13, 2026