Use a Text clause to create a segment that will include all contacts in your database.
- Go to the Contacts Dashboard.
- Choose Segments from the left-hand navigation.
- Click the Create a Regular Segment button at the top-left.
- Give your segment a name and description.
- Open the "Select a Field" drop-down and search "Email". Select "Email Address (EmailAddr_)".
- Is - set to Not Null
- Click "Save & Test" to save the segment and return results.