How to create a file association for Lenovo notebooks is as follows:

1. Right-click the file whose extension you want to change, and then click Open, or double-click the file.

2. Windows XP will display a dialog box stating that there is no program associated with this file. This dialog box provides two options for creating the association:

　(1) Use the Web service to find the appropriate program.

　(2) Select the program from the list unless you need to find and download software capable of opening this file type, otherwise it is better to select the program from the list.

3. The dialog box displayed by Windows lists the programs installed on the computer. If the program you want to use with this file type is not listed, click Browse to find the appropriate software. Select the "Always use the selected program to open this kind of file" checkbox.

Lenovo notebook refers to the portable laptop computer produced by Lenovo Group. Lenovo Group was founded in 1984 by the Institute of Computing Technology of the Chinese Academy of Sciences with an investment of 200,000 yuan and 11 scientific and technical personnel. Today, it has developed into a large enterprise group with diversified development in the information industry. Lenovo is headquartered in Raleigh (Purchase), USA, and has established a global R&D structure with three R&D bases in Beijing, China, Tokyo, Japan, and Raleigh, USA. Through Lenovo's own sales organization, Lenovo business partners and the alliance with IBM, the new Lenovo sales network spans the world.