Hello
See Data Validation and the input message Tab.
(Don't know where the option stands in Excel 2007)

HTH
Cordially
Pascal

"Ellie05il" a écrit dans le message de
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In excel, I am looking to insert instructions in a cell.
So, let's say you have columns with headings and you would like to give
instructions on what information to put in that cell.
How can I do that by just CLICKING on the cell? This is not the same as
adding a comment.