WordPress Slider WD
Step by step guide
Step 6: Importing/Exporting Sliders.
If you plan to move the sliders from one site to another you can use this feature. Make sure that you have installed the Slider WD to the destination site.
Select the Slider you want to export using the checkbox and press Export button. You can choose whether to transfer the slider with images and settings, or only the settings adding your own slides afterwards.
Select the file to import and press Import button. The slider will be added automatically.