Selecting C3:C5 cell first is to tell Excel to copy the formula along the range. This logic is the same with Data Validation as well which can be used to our advantage. B3) as you copy the formula and leave absolute references (e.g. As you know Excel populates and updates the relative references (e.g. The last argument of the IF function is the two double quotes ("") that represents empty string.Īn important point about the formula is absolute/relative states of references. All you need to do is to set a condition and the list range that is populated if the condition is TRUE. Simple IF function is enough to to make this a conditional Excel drop down. Alternatively you can send an empty string, which represents an empty list as well, to make drop down items hidden. Selecting List option in Allow drop down shows the Source input that you can enter your list reference or formula.īy using formula support, you can determine the range of cells that you want to use as a list. It also allows you to create your own lists by using formulas. Click OK to continue and apply your settingsĮxcel's Data Validation feature is a great tool to ensure that users enter correct data.Type your formula in Source input =COUNTIF($I$3:$I$7,B2).Open the Data Validation window by clicking DATA > Data Validation.Begin by selecting the dropdown range C3:C5.=IF( condition, range dropdown list items, "") Steps
#How to create and if then formula in excel how to#
Here, you can find out how to create conditional Excel drop down using Data Validation. However, sometimes we want our drop downs to populate under some conditions. It’s often a good idea to use drop down lists or combo boxes to limit user errors make the data more standardized.
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