1. Open Outlook and click File > Import and Export.

2. Click Export to a file, and click Next.

3. Click Comma Separated Value (DOS), and click Next.

4. Select the contacts folder you want to export, and click Next.

5. Save the file to a location on your computer such as the Desktop and click Next.

6. Click Map Custom Fields.

7. In the From box, drag the field that you want to convert onto the Outlook field that is listed in the To box.

8. Click Finish.

9. Open your Gmail account.

10. Click Contacts.

11. On the right side of your screen, above the message count, click Import.

12. Under Import Contacts, click Browse.