Move your new catalog files into the X Rebirth extensions directory: X Rebirth\extensions\your_mod_name\ . Launch the game to verify your changes. Best Practices and Troubleshooting Always Use Mod Patches (Diffs)
In simple terms, the X Rebirth Catalog Tool is a specialized file extraction and packaging utility designed for Egosoft's space simulation games, particularly X Rebirth and later X4: Foundations . It's the key that unlocks the game's internal data archives.
Instead of packing a massive game file with a tiny edit, utilize X Rebirth's XML patch system ( ). This ensures your mod remains compatible with future game updates and other community mods. X Rebirth Catalog Tool 1.10
The tool is available through two primary official channels: Egosoft Website : Download from the X Rebirth Bonus Material
Select whether you want to extract the or filtered file types (such as extracting only .xml files while skipping heavy .dds texture files to save space). Step 3: Execute Extraction Move your new catalog files into the X
It enables creators to "repack" their custom content into a format the game engine can prioritize and load seamlessly. How to Use the Tool
This script changes to your game's drive and folder, then uses the command-line version of the Catalog Tool ( XRCatTool.exe ) to sequentially read all the numbered .cat files and output their decompressed contents into an "unpacked" folder. This creates a complete copy of the game's entire data structure in an editable state. Many modders will then use a text-search tool like to quickly find specific strings or script files within this massive, extracted dataset. It's the key that unlocks the game's internal data archives
To turn your changes into a mod, use the -c (create) command to wrap your new folder back into a .cat and .dat pair that the game can read from its extensions folder. Impact on the Community