To backup Product Designer App data. You need backup database, upload folders and plugin code
Database #
Please login Cpanel -> phpMyAdmin -> Open Database -> Export tab (1) -> Select format (2) -> Click Export (3) to backup.
Uploads #
Please login Cpanel -> File manager (or connect FTP) -> Open folder: Root/wp-content/uploads/product-designer-app -> Download to save backup on your computer
Plugin #
Please login Cpanel -> File manager (or connect FTP) -> Open folder: Root/wp-content/plugins/product-designer-app -> Download to save backup on your computer