Excel Count Unique Values – Online Tool & Formula Alternatives

2026-07-20

  • Excel
  • count unique
  • dedup
  • distinct values
  • online tool

What “count unique values” means

You need to know how many distinct emails, SKUs, or customer IDs appear in a column—without double-counting repeats. Desktop Excel offers COUNTIF, UNIQUE() (365), or pivot tables; excel count unique values is a steady search trend.

Online workflow (no formulas)

ComTools Remove Duplicates doubles as a unique-value counter:

  1. Upload .xlsx or .csv.
  2. Select the key column.
  3. Click Preview dedup—the Unique stat shows distinct row count.
  4. Set output to Unique values only and download.

Full guide: /excel-count-unique-values.

Formula options in desktop Excel

Method Best for
=UNIQUE(A:A) (365) Dynamic distinct list
Pivot table → Count Quick exploration
SUMPRODUCT/COUNTIF combo Legacy workbooks

Stuck on syntax? Try /excel-formula-ai.