Reviewing Segment History Information
The History tab provides a historical view of the Segment, its updates and its population.
Click, and then click the name of a Segment.
Click the History tab.
For Criteria Segments, review statistics about the current segment run in the Current run section, and about previous Segment runs in the Segment Statistics section.
For List Segments, review details about previous uploads of files with customer data records in the Import History section.