The Drop Columns filter allows you to drop a column from the data you are importing.
For example, if your marketing team wants a list of customer information such as name, email, address, phone, and certain preferences and that data exists in a table that also contains some sensitive information or values that are not needed, you can drop those columns.
To apply the Drop Columns filter:
Select Drop Columns.
Select Add Filter.
The Drop Columns dialog opens.
Edit the name of the column to drop.
Optionally, do one of the following:
If you are finished with Filters, select Next.
If you want to add another filter, select Add and repeat the steps.