Windows users can sync their locally stored Outlook contacts with Work for Desktop.

1. Log in to Outlook.
2. Log in to Work for Desktop and go to the Contacts.
   
3. Click My Contacts.
   
4. Click Add (person icon).
   
5. Click Import From 3rd Party, then choose Outlook app Contacts Sync, then click Import.  Click ok if it asks for an outlook profile.
6. Select Personal Contact, Company Contact, or both. (Note: The maximum amount of contacts that can be imported is 10,000.)

To remove all imported Outlook contacts, go to Settings > Contacts and click Remove (trash can).

To sync imported Outlook contacts, go to My Contacts > Add, and click Refresh Outlook Contacts.