From MozillaZine Knowledge Base

The article currently says that the file can be edited using SQLite. It should state that its a file used by a SQLite database, and that you can edit it using either the SQLite manager add-on or a specialized editor such as the SQLite Database browser, SQLite Administrator (Windows only) or Lita (AIR based). Tanstaafl 00:14, 7 April 2009 (UTC)