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  • Does anyone have a sense of how hard(?) this will be for Excel:

    • I have a list of 2-200 rows with Ids (list A) that will vary from time to time, and a list of 16k rows (list B) that will be static (or sometimes updated)
    • I want to lookup ids in list A to check if they appear in list B.

    Will looking up against a sheet with 16k rows be fine or will it constantly fuck up?

    Cheers.

  • Easy and quick. That's pretty small datasets, it took a fraction of a second to calculate on my 6 year old laptop.

    Just use an xmatch or whatever you want to get a clean result.

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