What is the purpose of the Delete Duplicates Tool?
To delete duplicate records from a table, while retaining Map Objects. This tool does not change the original table in any way. Keep in mind that MapInfo Pro has a 255 byte/ 5-column limit for grouping by clause.
How do I access the Delete Duplicates Tool?
From the Tools Manager. You must register this tool with MapInfo Pro before you can run it. For instructions, see Working with MapInfo Pro Tools.