X Rebirth Catalog Tool 1.10 Updated Guide

Getting started with the X Rebirth Catalog Tool 1.10 is straightforward:

Have you used the X Rebirth Catalog Tool 1.10? What features do you find most useful? Or are you looking for recommendations on how to use it to improve your X Rebirth experience?

At its core, the is a file archive manager specifically designed to handle Egosoft's proprietary .cat and .dat file formats. In both X Rebirth and X4: Foundations , these files work as a pair to store the game's assets: X Rebirth Catalog Tool 1.10

Once you have finished working on your mod, you will need to package it into a .cat and .dat file for the game to read it.

Once your edits are complete, you must repackage them so X Rebirth can recognize your mod. Getting started with the X Rebirth Catalog Tool 1

Click Pack . The tool will generate two files: ext_01.cat and ext_01.dat .

| Tool | Unpack .cat | Repack .cat | GUI | CLI | Active Development | |------|-------------|-------------|-----|-----|---------------------| | | ✅ Yes | ❌ No | ✅ Basic | ✅ Yes | ❌ No (abandoned) | | Egosoft XRCatTool (official) | ✅ Yes | ✅ Yes | ❌ No | ✅ Yes | ❌ No | | XRCatGUI (by m0rph) | ✅ Yes | ❌ No | ✅ Modern | ❌ No | ❌ No | At its core, the is a file archive

For developers creating automated build scripts, the command-line version XRCatTool.exe is more versatile.

For years, the X series has been defined by a passionate modding community. As the series evolved, so did the tools to support it. The X Catalog Tool, specifically version 1.10, represents a key release in this evolution, bridging the gap between the older X Rebirth engine and the newer X4: Foundations . This single version is designed to work with both titles, simplifying the modding toolkit for creators. Its development is a direct response to the community's need to understand and modify the deep, complex systems within the X universe.