title: Restore data from 9.1.7 version postgres file to 8.4 version postgres
body: <p>I want to restore data from postgres file. I have a file, when I open the file in notepad the version of the file is 9.1.7 PostgreSQL and this file contain all tables structure and database but the file doesn't have an extension. I want to restore all table structure and data from the file to my PostgreSQL 8.4 version database, because my project is based on PostgreSQL 8.4 version.</p>
  
  <p>How can I do this?</p>