🌟 Marketing Cloud TIPS 🌟 How to store all "Contact Keys" within All Contacts into a Data Extension.
Have you ever thought about storing all "Contact Keys" within All Contacts into a Data Extension? As a use case for storing Data Extensions, for example, if you want to know "Who is present in All Contacts but not in All Subscribers", you can extract it by constructing an SQL query. (The SQL query is provided below.) Therefore, I will introduce the method of storing all "Contact Keys" within All Contacts into a Data Extension. This method is very straightforward. When you create a Filtered Mobile List of "GroupConnect" channel in Contact Builder, the Data Extension is automatically created. * Please note that when creating Filtered Mobile Lists of "MobileConnect" or "MobilePush" channel, Data Extensions are not created. When setting the filter criteria for creating the Mobile List, select "System Data" > "Contact" from the Attribute Library and drag and drop "Contact ID". Set the criteria a...