Hi @Kumar_27 ,
The Enable overlapping of output populations option lets you manage populations belonging to several subsets:
--- When the box isn’t checked, the split activity makes sure a recipient cannot be present in several output transitions, even if it meets the criteria of several subsets. They will be at the target of the first tab with matching criteria.
--- When the box is checked, the recipients can be found in several subsets if they meet their filter criteria. Adobe Campaign recommends using exclusive criteria.
Concatenate the code: in your inbound if you have some segment code and in split subset you have another segment code, here it will get concatenated
Generate all subsets in the same table: if you have 3 subsets, you will get 3 transitions. But If you enable this option, you will be having one transition (but to differentiate use segment in all 3 subsets and enable this option)
Filtering settings:
Prefer to select 'use the additional data only' radio button.