How to show/display more than 8 lines in data validation list in Excel?
By default, a data validation drop-down list only shows 8 items in the list when clicking the drop-down arrow. So you need to drag the scroll bar down for viewing more values in the list. Actually, you can show more than 8 lines in a drop-down list with the help of Combo box. Please do as follows.
Show more than 8 lines in data validation list with Combo box
Show more than 8 lines in data validation list with Combo box
The Combo box can help you showing more than 8 lines in drop-down list in Excel.
1. Enable the Developer tab, then click Insert > Combo Box. See screenshot:
You can click here to know how to enable the Developer tab in Excel.
2. Draw a Combo Box in your worksheet and right click on it. Then select Format Control from the right-clicking menu.
3. In the Format Object dialog box, click the Control tab, and do the following operations:
You can see more than 8 lines (number of drop down lines you specified) are displayed in the drop-down list as below screenshot shown.

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