In the explorer tree on the left, select the Host or TP you want to overwrite.
In the canvas on the right, at the bottom of the pane, click Import.
In the Import a B2B Host [Trading Partner] pane, click Browse.
Navigate to and open the .exp file you want to import, and then click Import.
See Figure 5–8
When you are finished, click Save.
Because many actions in ePM cause unsaved changes to be discarded, any time you add or change a value, it is good practice to verify the change and then click Save.