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Lookups against many values or repeated names fail

Lookups against lists of many values, tags, or repeated names return wrong matches, errors, or no rows.

Tier I · Proven The best-established problems.

6 public reports · first reported 21 May 2020 · last reported 23 June 2025

Idea report · $19 · No contacts · All sales final

See a sample idea report

What's going wrong

People matching items against a list of many values report that substring matches pull in the wrong items, that array criteria from a list of invoice numbers or plays return only the first match, and that index and match formulas across sheets produce errors.

AI-assisted: written with the help of AI from the reports. The idea report has the full summary.

In the idea report

  • The full summary.
  • The products the 6 reports are about, and how many came each month.
  • Related problems.

No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.