Crimson: Compliance - Deduping Tool

NOTE: Merging is irreversible. Do not merge unless you are certain two records are the same person.

As you load lists of contacts, prospects, and donors into the database overtime, you may notice the creation of duplicate records.  Crimson provides helpful keylines to catch duplicate records at the point of data entry.  However, some records need review before they can be merged.  If you have a one-off pair of duplicate records, you may want to use the Merge Tool.  If you instead have a higher level volume of duplicate records to be reviewed and merged, then you may want to use the Deduping Tool.

How Merges Work

When two records are merged in Crimson, all of the information in the “keep” record will remain.  If there are blank fields in the keep record, and information is available in the “merge” record, that information will be filled in.  For example, if the keep record has a home phone number, and the merge record has a business phone number, the merged record will have both.  If the two records have different information for the same field, only the keep record information will be available after the merge.  You may want to make changes to one of the records prior to a merge so that information from both are retained.  At times you may also want to remove merge record information prior to the merge if you don’t want it filled into a blank field.

Accessing the Deduping Tool

The Deduping tool can be found on the Compliance menu Dashboard.  Click the number of Possible Duplicate Records to open the deduping tool.



Deduping Tool Page Features

PID – Unique Crimson ID for a record.  If you click the hyperlinked PID, it will open the record’s full profile providing further details for review.


Match Type – Reason the records matched as possible duplicates.

Name – Full name of the record.  If you hover over the first letter of the last name a blue question mark will appear.  Click on the question mark to get additional details about the record without having to leave the screen.


MRC Date – Donor’s most recent contribution date.

CTD –Donor’s cycle to date total amount.

Spouse – Donor’s spouse’s name.

Email, Home #, Cell #, Business #, Street, City, State, Zip – Donor’s primary contact information.

Not a Dupe – Check this box if the matched pair are NOT duplicate records.  Once processed, these records will no longer pull on any of the possible duplicate menus or reports going forward.  Use, for example, when the matched pairs are a father and son who share similar contact information.


Keep – If the matched pair are duplicates, then you must check this box for the record you want to indicate as the “KEEP” record. Leave the box blank for the record you want to indicate is the “MERGE” record.  Once processed, the “MERGE” (unchecked) records will merge into the “KEEP” record’s profile.


Using the Deduping Tool

  1. Go to the Compliance menu Dashboard.
  2. Click the hyperlinked number of Possible Duplicates. The list that appears on the screen will be the first 20 pairs of duplicate records for review. Begin the review for the first pair of records.
  3. Review the information on the screen. If more details are required, hover over the last name and click the 7.png to view more details without having to leave the screen.  You may also click the hyperlinked PID to view a record’s full profile.
  4. Indicate if the records should be merged or not.
    • Not a Dupe – Check this box if the matched pair are NOT duplicate records.
    • Keep – Check this box if the matched pair are duplicates and you want to indicate the “KEEP” record. Leave this box empty for the record you want to indicate as the “MERGE” record.  Once processed, the “MERGE” (unchecked) record will merge into the “KEEP” record’s profile.
  5. Repeat the above steps for each pair of matched duplicate records that follow until you have reached the end of the page or you are ready to stop your review.
  6. Click 8.png the button at the bottom of the screen to process the matched pairs you have indicated as duplicates or not duplicates so far.
  7. The next 20 matched duplicate pairs will appear.  Repeat the above steps until your review is complete.
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