How to add a file with a. backup extension to PostgreSQL for step-up beginners thank you.

1. To www.postgresql.org download pgadmin this tool, install
2. In menu-file-add server   
Name: Test-pgsql (name Own)  Host: Fill in your PostgreSQL database server IP address on this machine can be filled: 127.0.0.1    
Port number: That is, postgreql default is (5432),    
User name: The super administrator name you specified when you created the database: the password that you specified when you created the database. When you are finished, you will be connected to your database.
3. Find the name of the database you want to import data from, right-click, click "Restore" or "Backup Back" (Pgadmin different pgadmin version of the import button name is not the same). Then jump out to let you choose Xxx.backup files, click OK, and so on after the import can be.