Mary Beth Franklin, who writes extensively on issues involving social security, has published the below article on the benefits of filing for social security benefits online instead of calling or going to a physical office. 

With so many couples using strategies like File & Suspend, it is a great article to read if you are going to file online.  One great tip for those choosing a File & Suspend approach is that you complete the online application stating that you want benefits to begin at Full Retirement Age, then in the remarks section you need to make it clear that you would like to suspend those benefits until a later time.

Take a look at the link HERE for some other helpful hints.