Cumulative Summing using Data Import Wizard
I am trying to see if the Data Import Wizard has the capability to add a column's value to an existing field rather than overwrite its value.
We are looking to see if we can sum the total dollar value spent on a contact record, and potentially display this field on the agent workspace. We have several data sources available for import that have columns for email address and net sales. We would like to store this cumulative value for all of these sales figures.
Is there a way to do this with the Data Import Wizard, or by any other method?