I have a multiple Worksheet Excel File with a curious problem on one
Worksheet Only where the In-Cell Dropdown has suddenly stopped being
Displayed for All the Cells that have Data Validation enabled.

I have tried to reassign the Data Validation Format again and again, I have
checked that the In-Cell Dropdown Check Box is selected, I have tried to use
the €˜Format Painter command from another similar Worksheet however, I have
not been able to solve this problem.

Could someone please tell me where I am going wrong?
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Thanks please help!