Use this tab to select an import action when the same data exists in the Microsoft Project XML import file and project being updated. Select Delete to delete those values in the database that are not contained in the file you are importing.
Data Type: The type of project data for import.
Import Action: Determines what action to take when importing:
Keep Existing: Retains data in the existing project and does not overwrite it with the updated data or adds new data if the record does not exist and you have the appropriate security privileges.
Update Existing: Overwrites data in the existing project with updated data and adds new data if the record does not exist.
Do Not Import: Retains data in the existing project and does not import the updated data.
Delete: Determines whether to delete the selected item.