Enable or Disable Matching
From the Administration page, under Configuration, select Enable/disable matching. The Edit duplicate record check settings screen appears.
To turn off all constituent duplicate checking in the program, including batches, imports, and manually adding records on the Add Individual or Add Organization screens, clear Check for duplicates.
To turn off the automatic updates feature for batches and imports, clear Auto-match duplicates in batch.
For more information about matching duplicate constituents, see the Constituent Duplicates and Merge Tasks Guide.