Microsoft's Outlook is integrated into Microsoft Office 2000,
2002, 2008 and Microsoft Exchange Server. Outlook is complete e-mail
manager by which you e-mail, calendaring, and contact management.
Outlook enables you to filter and organize e-mail messages, integrate
and manage e-mail from multiple e-mail accounts, personal and group
calendars, contacts, folders, and tasks.
Using
Import and Export feature in Outlook,
you can create the full backup of outlook contacts. Because without
backup yon can lose your e-mail accounts data any time due to virus,
power failure and hard disk problem.
Follow the given steps to export your outlook contacts to Excel
file:
Click on Start button, go to Program then click on
Microsoft Outlook to export the contacts.
Now go to File menu and click on
Import and Export
option.
Choose Export to a file as show in the below figure then click
Next.

Now on next dialog
box, choose Microsoft Excel and click Next.

Select the
Contacts Folder you want to backup to Excel file as shown below then
click Next.

Choose a name and
location where to save the Excel file by clicking Browse button, then
click Next.

Click Finish to
start the back up procedure which may take little time depending on how
many contacts you have.