What did Pito Salas invent? Click here to reveal answer
Pito Salas, working for Lotus, popularized what would become to be pivot tables. It was released as Lotus Improv in 1989.
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Been using data validation with a drop down list on a column in a worksheet for months with no issue. Today I have noticed that there is no longer a drop down list on any of these cells, and instead all I can do is enter text manually.
I've check the data validation rule and it's still set to list, and have confirmed the source range is still correct. In-cell drop down option still ticked. No idea where else to look or why this has suddenly stopped working. Excel 2016 on Windows 10. Could anybody help please?
What did Pito Salas invent? Click here to reveal answer
Pito Salas, working for Lotus, popularized what would become to be pivot tables. It was released as Lotus Improv in 1989.
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