Find Duplicates in Excel Column - Dedupe List

Find and remove duplicates in Excel/CSV columns. Deduplicate email lists. Keep unique values. Free.

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Remove Duplicates

Upload a list and instantly delete duplicate rows.

How to Remove Duplicates

  1. 1Save Excel as CSV
  2. 2Upload to Remove Duplicates tool
  3. 3Download unique list

Why Use This Tool?

  • Dedupe Lists - Clean email/contact lists
  • First Match - Keeps original entry
  • Fast - Process huge lists
  • Private - Secure data handling
  • Free - Unlimited deduplication

Frequently Asked Questions

Does it check all columns?

Yes, it checks the entire row for uniqueness.

Can I see the duplicates?

Currently it removes them. To see them, use the Compare Files tool against the original.

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