Perform the following steps:
Display the folder that contains the contacts that you want to search.
Select the contact component in which to search from the drop-down list in the searchbar.
Type the text that you want to search for in the text box on the searchbar.
Click on the Find Now button. Alternatively, choose Search -> Find Now. The contacts that match the search criteria are displayed.
To clear the search criteria and display all the contacts in the folder, choose Search -> Clear. Alternatively, click on the Clear button in the searchbar.
You can also use the alphabetic index buttons at the right side of the window to search for contacts. To search for a contact whose name begins with a particular letter, click on that letter. To search for contacts whose name begins with a number or another non-alphabetic character, click on the 123 index button.