Creating a Unique Drop Down List in Excel

You may already be using data validation in Excel to create a drop down list but how do you ensure a selection cannot be used twice This video will help - using the example of a haulage company having to make sure a driver is only allocated to one vehicle Comments etc - feel free to add below or email me [email protected] Have I helped - then maybe I deserve a cuppa! www.buymeacoffee.com/expandskills