What is the purpose of Combine Using Column?
To modify the geographical data and create one map object for each group. Also, Combine using Column is the reverse operation of a Split. If you have data or have created objects by splitting existing objects, you can combine them again by using a common value.
When is Combine Using Column active?
When at least one native MapInfo Pro table is open.
How do I access Combine Using Column?
On the SPATIAL tab, in the Edit group, click Combine, and click Combine Using Column from the list.