Product: ImportOmatic
Description: This solution describes how to remove data or values using IOM
Environment: All
Version: 3.4.1.0 and higher
Answer:
Go to the chosen data file and add a caret symbol ^
In Raiser's Edge, apply your field map as normal
Next click on Constituents on the left side of the screen, verify you have the correct settings in place to update the information
Lastly, after you import the new data will be saved