Export Contacts From Outlook:

• Select File > Import and Export
• Make sure Export to a file is highlighted Click Next >
• Now make sure Comma Separated Values (Windows) is selected Click Next >
• Highlight the Contacts folder Click Next >
• Use the Browse… button to specify a location and file name Click Next >
• Now click Finish.

Import contacts:

• Sign in to Gmail.
• Click Contacts (located below your list of views)
• Click Import in the top portion of the Contact Manager.
• Click the Browse… or Choose File button and locate the CSV file you’d like to upload.
• Select the file and click the Import button.