The Tools menu / Options is composed of 4 tabs :
Default folders

This tabs allows to choose default folders for main functions of this software.

"Cities XL savegame folder" and "Paks folder" are very important and necessary for City Import/Export functions.

External editors

Here you can select the executable file of your favorite text and picture editors.
They will be used by CXL Data Explorer.

Repak Options

In a compressed Pak or Patch file, there is the version and built number of the game.
Actually, the default values don't need to be changed.
This option is there in case it would be necessary to change it after a possible update of game to assure compatibility.

Langue / Language

This option allows to change the localization of this software.
At the moment you can choose French or English.
You need to restart the application to see changes.