Product: ImportOmatic
Description: This solution discusses using Default Sets from RE to update existing Constituent records
Environment: All
Version: 2.4.2 and earlier

Answer: 

The ability to apply a default set to existing records in The Raiser's Edge was implemented in ImportOmatic version 2.5. Please update to the latest version.

For additional information on using default sets with ImportOmatic, please visit this solution.

Refer to the ImportOmatic User Guide for additional information.