Easy Tech TutsHow to Remove Duplicates in Airtable Automatically, Delete Records Easily 2026
By Impran M N
Duplicate records creep into Airtable bases from repeated imports or manual entry errors, and the Dedupe extension can find and clean them up without you having to scroll through every row by hand. This guide covers installing the extension, setting your matching criteria, and safely reviewing flagged duplicates before deleting anything.
01Open the Extensions directory
Navigate to the Extensions menu in your base to find and install the Dedupe module.
02Select your target table
Choose the table you want to scan for duplicate records.
03Define matching fields
Set the specific field parameters that will trigger a duplicate match, such as name, email, or SKU.
04Run the scan
Let Dedupe scan your table and flag potential duplicate rows based on your matching criteria.
05Review flagged records side by side
Compare the flagged matches visually to confirm they really are duplicates before taking action.
06Merge or delete
Choose to merge conflicting data or permanently delete the redundant records, then execute the cleanup.
Frequently asked questions
Can Dedupe delete records automatically without review?
The extension flags matches for review — you decide per group of records whether to merge or delete rather than it happening silently.
What fields should I match on to find duplicates?
Pick fields likely to be unique per real-world entity, like email address or SKU, rather than broad fields that many unrelated records might share.
Is deleting duplicate records reversible?
Deleted records can sometimes be recovered briefly from Airtable's trash, but it's safest to review carefully before confirming deletion.
Can I schedule deduplication to run automatically?
Running it periodically as a manual routine is the typical approach, since Dedupe is an extension you launch rather than a background automation.
Watch the full walkthrough
The same steps, demonstrated on screen from start to finish.
