Excel 365: Build a Dropdown List That Removes Items Once They're Picked

Mon, 17 Aug 2026 00:00:00 +0000

Here’s a sentence that should never be true, and yet: “Wait, didn’t we already give Laptop-04 to someone else?” Two people picked the same item from the same dropdown, on the same sheet, and Excel didn’t say a word — because a standard Data Validation list doesn’t know or care what’s already been chosen in the cells around it. It just shows the same static list, forever, to everyone. Fixing that isn’t hard once you know the trick, but almost nobody stumbles onto it by accident.

Data-Validation on Ask Eijaz

Excel 365: Build a Dropdown List That Removes Items Once They're Picked