Hi Dave

Thank you so much, the problem is solve !!!

many thanks

JOHN

"Dave Peterson" wrote:

Does your combobox have a linked cell?

Is that linked cell locked (and on a protected worksheet)?

If yes, then unlock that linked cell.

John wrote:

Hi

I use protectiong sheet in excel and I would like to use combo box. once use
protection sheet I could able to open combo box (drag down).

Pls help me to advice

Thanks

JOHN

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Dave Peterson