How to use the newish XLOOKUP() dynamic array function in Excel Your email has been sent Image: 200dgr/Shutterstock Must-read Windows coverage CrowdStrike Outage Disrupts Microsoft Systems Worldwide ...

What’s the state abbreviation for Arkansas? Is it AR? AK? AS? Maybe you’ve got a data frame with the information. Or any info where there’s one column with categories, and another column with values.

Those of us over a certain age will remember using paper lookup tables for logarithms or trigonometry functions. Those who are younger will have been exposed to lookup tables in their programming ...