EddieExportContacts is licensed per address book. It is not licensed by the destination Outlook or Exchange folder of which you can export to one or many as required.

1 license is require for each server based mailbox or main mailbox (which can be a local mailbox or even an archive mailbox) and each address book. Associated archives may be exported as well.

Licensing FAQ

Q: Can I export multiple users with a single license if I run it on one PC. A: No. You can not export multiple users data with a single license. Not even on one PC. A license is required for each unique personal address book database.