Contacts are an essential part of any email client as they facilitate the user by remembering all their contacts, similar to the contacts on your smartphone. Outlook contacts store a lot of information regarding a person, such as their name, address, contact number, email address, etc. These contacts can be stored in MSG and VCF formats. You might find yourself in scenarios where you need to create or alter MSG or VCF contacts programmatically. For that, this article will teach you how to work with MSG and VCFcontacts using C++.