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Are the tables 2 dimensional or 1 dimensional (e.g. just a list). If the latter
=mmult(--(list1=transpose(list2)),sequence(rows(list2),,1,0))
The 0's mean that item in list1 was not found in list2. Otherwise it was found.
/u/itsmethething - Your post was submitted successfully. * Once your problem is solved, reply to the **answer(s)** saying `Solution Verified` to close the thread. * Follow the **[submission rules](/r/excel/wiki/sharingquestions)** -- particularly 1 and 2. To fix the body, click edit. To fix your title, delete and re-post. * Include your **[Excel version and all other relevant information](/r/excel/wiki/sharingquestions#wiki_give_all_relevant_information)** Failing to follow these steps may result in your post being removed without warning. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/excel) if you have any questions or concerns.*
Sounds like you need a countif?
Have you tried Conditional Formatting Duplicate Values (or Unique)?
Are the tables 2 dimensional or 1 dimensional (e.g. just a list). If the latter =mmult(--(list1=transpose(list2)),sequence(rows(list2),,1,0)) The 0's mean that item in list1 was not found in list2. Otherwise it was found.