Matt Cutts recently spoke about the common mistakes while uploading a disavow list. Matt Recommends a MACHETE approach when it comes to disavow links. Lets see the Dont's first No word, excel or pdf document Do not use "http://", www while disavowing entire domain Do not use comments without # Do not use commas in between Do's Use notepad only (.txt extension) Use # for comments eg: # this is a paid link which i never paid for Only one link per line Right syntax to remove entire domain - domain: sitename.com While updating the links, download existing file and append the links We can help you Clean up your Bad Back-links at http://www.submitinme.com