Once logged in perform the following steps.
- Begin by clicking database in your phpMyAdmin panel. (It may not be necessary to do this, depending on your version of PhpMyAdmin).
- Select the database that holds your WordPress data, the database you created when you installed WordPress.
- Click 'Export'.
- Select all the tables, and check the SQL radio button.
- Check the 'Add Drop Table' box.
- Check the 'Add If Not Exists' box.
- check the 'Save as file' box.
- Check 'None' for compression. If your database is very large, use a compression method.
- Click 'go'. You will be prompted to either open the file or 'save as' which will allow you to select a folder on your local computer. The data will now be saved onto your computer.