Importing Address Book from CSV - Outlook 2011 (MAC)
Start Outlook 2011 for Mac.
Select File from the menu.
Choose Import... from the drop-down list.
In the Import window, select Contacts or messages from a text file, then click the right arrow to continue.
Leave the File Type at the first option, Import Contacts from a tab- or comma-delimited
text file, then click the right arrow to continue.
Navigate and select the appropriate .csv file, then click Import.
In the Import Contacts window, map any important unmapped fields from the right column
to the equivalent field from the left column by dragging the field to the new position.
Examples: drag the E-mail Address unmapped field to the Email Address1 mapped field.
Drag the Business Phone unmapped field to the Work Phone 1 mapped field.
Click Don't Save
Review the Contacts that were imported to ensure accuracy.