What is Data Validation in Excel with example?

Excel data validation is a feature that allows you to control the type of data entered into your worksheet. For example, Excel data validation allows you to limit data entries to a selection from a dropdown list and to restrict certain data entries, such as dates or numbers outside of a predetermined range.

How do you create a Data Validation formula?

Here’s how:

1. Select one or more cells to validate.
2. Open the Data Validation dialog box.
3. On the Settings tab of the Data Validation dialog window, select Custom in the Allow box, and enter your data validation formula in the Formula box.
4. Click OK.

What are the 3 types of Data Validation?

Types of Data Validation

• Data Type Check. A data type check confirms that the data entered has the correct data type.
• Code Check. A code check ensures that a field is selected from a valid list of values or follows certain formatting rules.
• Range Check.
• Format Check.
• Consistency Check.
• Uniqueness Check.

Where is validation in Excel?

Open the Data Validation dialog box (Data tab > Data Validation). On the Settings tab, select List in the Allow box. In the Source box, type the items of your Excel validation list, separated by commas.

How do I apply Data Validation to an entire column in Excel?

1. Select the entire column you want to validate.
2. Click on “Data Validation” from the Data tab.
3. Choose “List” from the “Allow” box.
4. Click on the arrow to the right of the “Source” box and select the cells containing the allowed values.

How do you validate data in Excel?

Find cells that have data validation rules

1. On the Edit menu, point to Find, and then click Go To.
2. Click Special.
3. Select Data Validation.
4. To find all cells with data validation, select All, and then click OK. To find cells that have the same validation rules as another cell, select Same, and then click OK.

How do I create a Data Validation list in Excel based on criteria?

To perform this, select a range of cells and under the Data tab select the Data Validation option. In the Data Validation Dialogue box, select the Custom option as Validation Criteria. In the formula section, write =$B$2=”Insert Data” and press OK. Now in the selected range put any data you want and press enter.

How do I create a dynamic Data Validation list?

Creating a Dynamic Drop Down List in Excel (Using OFFSET)

1. Select a cell where you want to create the drop down list (cell C2 in this example).
2. Go to Data –> Data Tools –> Data Validation.
3. In the Data Validation dialogue box, within the Settings tab, select List as the Validation criteria.