Thanks Jerry for the suggestion. After Searching on Web, get some easy manual solution and one of the easiest solution to convert Excel contacts to Outlook address book by using the CSV File format.
As Outlook doesn't import Excel file directly, So need to save the Excel contacts into CSV format, so that using Import / Export option, an Outlook user just like me can move a large number of Excel file to Outlook Address Book. But also dealing with some problem during this procedure. Hence, try the automated free solution for this problem and after searching a lot, get a unique tool called Systools Excel to Outlook Converter.
Try the tool to convert Excel contacts to view the user contacts details. Tool directly import the contacts stored in Excel format to my Outlook Contact list. Amazed by this feature of the tool. Now when I ever need to move contacts from excel sheet, use the software to save my effort and time.