Explanation

Data Validation controls what users can enter into a cell and helps prevent incorrect data.

Common Validation Types

Validation

Example

Whole Number

Age 18–60

Decimal

Discount 0–50

Date

Date within 2026

Text Length

Maximum 10 characters

List

Sales, HR, IT

Drop-down Example

Create a list:

Sirsa, Hisar, Fatehabad, Abohar

Then use:

Data → Data Validation → Allow: List

Practice

Create an Employee Entry Form with drop-downs for:

  • Department
  • City
  • Employment Type