Once you’ve created your segment or list, you can split your contacts into multiple lists for A/B testing or different campaigns.
Note: If you choose to split a segment, it will no longer be updated when new customers meet the conditions (effectively becoming Lists).
Once you’ve created your segment or list;
On the Review page, select Split:
2. You can Split your contacts by number per list or number of lists:
3. Once split, the new lists will be available for use within Campaigns: