The migration from XU 2.x to XU 4.x can be performed automatically as follows:

During the installation process by checking the Convert 2.x Files checkbox.
This calls the Xtract Universal Configuration Converter, which ensures that all extractions, source systems, destinations, server and user settings from XU 2.x are available in the new version.

XU3_Migration_1

The start of the conversion process must be confirmed in the appearing command line window.

XU3_Migration_2

If the converter is not executed automatically during installation, it can also be started manually from the installation directory.

XU3_Migration_3