Drop-down Lists
One dialog builds every list on this page, so the useful question is not how to make a drop-down but which of these you are actually asking for. Three of the most requested — picking several values in one cell, colouring each choice, a pop-up calendar — are not settings anywhere in that dialog, and need a macro, a set of conditional-formatting rules and an ActiveX control respectively. Everything else comes down to where Source points. Items typed straight in cannot change without reopening the dialog, a fixed range stops dead at the row you gave it, and only a Table column, or a defined name over one, grows when entries are added later.
The formula
Yes,No typed straight into the Source box — no range needed
=$H$2:$H$20 a fixed range; another sheet works too: =Lists!$H$2:$H$20
=StatusList a defined name, so the list can point at a Table column
=INDIRECT($A2) dependent list: shows the range named after whatever A2 holds
=OFFSET($H$2,0,0,COUNTA($H:$H)-1,1) older-Excel range that grows as items are added below H2A worked example
A sheet named Lists holds five statuses in H2:H6 — Draft, In review, Approved, Rejected, On hold. The drop-down belongs in C2:C200 of the Orders sheet.
Select C2:C200 > Data > Data Validation > Allow: List > Source: =Lists!$H$2:$H$6 > OK
Each cell in C2:C200 gains an arrow offering those five statuses, and anything else typed there is rejected with a stop message. Add a sixth status in H7 and the drop-downs ignore it — Source still ends at H6, which is exactly why a defined name over a Table column, or the OFFSET range above, is worth the extra minute up front.
Which one do I need?
Frequently asked questions
How do I remove a drop-down list from a cell?
Select the cells, open Data > Data Validation, click Clear All and then OK. Pressing Delete only empties the cell — the rule and its arrow stay, and the next value typed there is still rejected.
Can I choose more than one item from an Excel drop-down?
Not with data validation on its own; it accepts a single value per cell. Multiple selections need a Worksheet_Change event macro on the sheet that catches each pick and appends it to the existing contents, which also means saving the workbook as .xlsm.
Why is my drop-down arrow missing?
Three usual causes: In-cell dropdown was left unticked in the Data Validation dialog, the sheet is protected so the cell refuses input, or Source points into another workbook that is currently closed. The arrow also only shows once the cell is selected, so a printed or screenshotted sheet never shows it.
How do I make one drop-down depend on another?
Give each group of child items a defined name that matches its parent value exactly, with no spaces, then set the child cell Source to =INDIRECT(A2). Choosing France in A2 makes the second list show whatever the range named France contains.
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