I have 2 cell, A1 and B1. When any data is entered into A1, B1 will display the time corresponding to when the data was entered.
I was thinking about function for B1 would be "=IF(A1="","",now()) ". It worked such that it will display the time, however the value in B1 will automatically update itself if I were to randomly input any data in any other cell too.
For example, I input "testing" in A1. B1 display "11:20PM". Ten minutes later, I input "hello" in A2. B1 now display "11:30PM".
Anyone know a way to stop B1 from updating? or only update when new data is entered into A1 only? Thanks.
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