The .rda file format is a proprietary data archive format used by Related Designs and Ubisoft for the Anno video game series. These files bundle together vital game data to optimize loading times and compress file sizes.
Find the line xxx and change it to eng .
Change it to: <Language>eng</Language>
Whether you are missing the or just the text files?
Follow these steps to manually fix the language settings and restore English text to your game. 1. Locate Your Game Installation Directory
Drop your downloaded or verified eng0.rda directly into the directory. Do not mistake this folder for the generic maindata folder used for base game localization strings. 2. Modify the Game Engine Settings File
It stores all English text, menus, and subtitles for the Venice expansion.
Editing game archives always carries risk. Before replacing or altering eng0.rda :
Whether you're fixing a language, applying a mod, or just satisfying your curiosity, remember the golden rules: always back up your original files, follow the community-tested methods, and happy building!
If there is already a file there for another language (like ger0.rda for German), you can keep it there, but the game needs to be told which one to prioritize.
For Steam users: C:\Program Files (x86)\Steam\steamapps\common\Anno 1404 For GOG users: C:\GOG Games\Anno 1404 Gold Edition