X Rebirth Catalog Tool 1.10

The catalog tool needs to know where your game's .cat and .dat files are located to extract from them.

In the X game series (X3, X Rebirth, X4), Egosoft uses a specific proprietary archive format. While mods can often be installed using the "extensions" folder with loose files, the Catalog Tool is essential for:

When X Rebirth or X4: Foundations runs, it reads these .cat and .dat pairs, assembling a virtual file system on the fly. This is how the game manages the thousands of assets it needs to load efficiently.

The tool is read-only . It does not violate Egosoft’s mod policy. You cannot use it to cheat (e.g., spawn items). It simply visualizes what the game already knows. X Rebirth Catalog Tool 1.10

To help you get started on your modding project, let's look at the next steps for setting up your environment or managing file structures.

Maintains the exact internal directory structure required by the game's engine.

Switch to the "Trade Offers" tab. Filter by "Energy Cells" and "Sell" offers. Because version 1.10 reads your save’s radar data, it will only show stations your ships or satellites have recently visited. Sort by "Price (lowest)" and note the location. The catalog tool needs to know where your game's

: Version 1.10 (released December 13, 2016) introduced support for catalog formats from earlier X games Cross-Game Compatibility : While designed for , the tool is also used for X4: Foundations Egosoft Forum Access and Installation Steam Users : Available in the Steam Library under the category as Direct Download : Non-Steam and GOG users can download it from the Egosoft Bonus Material

YourModName/ ├── ext_01.cat ├── ext_01.dat └── content.xml 1. Structure Your Extension Directory

Mastering X Rebirth Modding: The Ultimate Guide to X Rebirth Catalog Tool 1.10 This is how the game manages the thousands

The 1.10 iteration of the catalog tool introduced several stability fixes and processing improvements over early experimental builds:

Text-based indexes containing file paths, sizes, and encryption signatures.