STEP 1: Log into the SAP System from which you want to copy your Favorites, click on the menu path: Favorites > Download to PC
STEP 2: Save the file to your hard drive as a TXT file.
STEP 3: Log into the Destination SAP System.
STEP 4: Select the menu path: Favorites > Upload from PC
STEP 5: Navigate to the same TXT file and select “Open”
If you get a pop-up that asks "How do you want to upload the favorites?", choose Merge.