How to Use Data Validation in Excel
Data validation in Excel is a powerful tool that allows you to set rules or criteria for the data entered into a cell or range of cells. This can be particularly useful for ensuring data accuracy and consistency.
Example: Consider the following data in which the Age column contains -ve and invalid decimal age value. We can solve this using the following steps:
Step 1: Go to the Data tab and select “Data Validation”.
Select the records in the Age column and navigate to Data Validation under the Data tab to add validation to the Age columns.
Step 2: Enter the Validations
Choose “Whole Number” and set the range of Age “Between“, and range of minimum and maximum to “14-30“. This will allow users to enter ages of 14 to 30 only. If the user tries to enter age beyond this an error message will appear.
Step 3: Give Input Message
This message will appear when the user hovers on any cell to enter their age. This will guide them on what value is expected in the cell.
Step 4: Give an Error Alert and Click on “Apply”
This Error Alert will appear after the user enters the wrong input in the cell.
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