It can be the Сontacts folder in the current account, or a Contacts folder in any of other folders. Select the Outlook folder into which you want to import the Contacts.
If you would like to toggle between the profiles and be prompted every time Outlook is opened for a profile selection, click Prompt for a profile to be used. If you would like Outlook to open the new profile by default whenever Outlook is opened, check the button for Always use this profile and select your new profile from the list and click OK.