Export repository items to an archive file
Launch the old version of Talend Studio.
In the icon bar, click the Export Items button and export the local items of the repository to an archive file.
Import repository items from an archive file
Once you have installed the new Studio, you can retrieve the items that were stored in the repository of your old Studio.
Launch the new version of Talend Studio.
In the icon bar, click the Import Items button and retrieve the archive file holding your items.