Yes.  You can choose a new folder for your Evercontact updates, or simply add them to your current or any other Outlook address book you prefer.

How do I make this change?

1) Go into the Evercontact tab in the Outlook "File" menu.

2) Click on Address Book.

3) In the Address Book field that appears, click on "Select Local". You can then choose or create a folder in which to save your Evercontact contacts.