Contact information does not appear in the address book in Outlook

Sometimes, Contact information does not appear in the address book of Outlook. This issue cab be resolved by following steps:--
Step 1: Install the Outlook Address Book serviceWe should follow these steps if you are using "Microsoft Outlook 2002 and Microsoft Office Outlook 2003" :--
1. On the Tools menu, click on "E-mail Accounts" tab.
2. Click to select View or change existing directories or address books, and then click on "Next" tab.
3. If your Outlook Address Book is listed, click on "Cancel" tab, and then go to the steps in the "How to Mark Your Contact Folder for Use with Your Address Book" section.
4. If your Outlook Address Book is not listed, click Add.
5. Click to select Additional Address Books, and then click Next.
6. Click to select Outlook Address Book, and then click Next.
7. Click on "OK" tab when you receive the prompt that the address book you added will not start until you click on "Exit" from the File menu.
8. Click on "Finish" tab.
9. Click on "Exit" tab from the File menu, and then restart Outlook.
Installation of Outlook Address Book service for Microsoft Office Outlook 2007
1. On the Tools menu, click Account Settings .
2. Click on the Address Books tab.
3. If your Outlook Address Book is listed, click Close, and then go to "Step 2: Mark your contact folder for use with your address book." If your Outlook Address Book is not listed, click on "New" tab.
4 .Select Additional Address Books, and then click on "Next" tab.
5. Select Outlook Address Book, and then click Next.
6. You receive a message that states that the address book that you added will not start until you click Exit on the File menu. Click on "OK" tab.
7. Click on "Finish" tab. 8. Click on "Close" tab, and then restart Outlook.
Step 2: Mark your contact folder for use with your address book
1. On the File menu, point to Folder, and then click Properties for your folder name.
2. On the Outlook Address Book tab, click to select the Show this folder as an e-mail address book check box, type a descriptive name, and then click on "OK".
Step 3: Look for an e-mail address or a fax number
1. In the Folder list, select the Contact folder.
2. Double-click the contact to open the item, and then look at the e-mail address field and the fax numbers field.