Data Validation essentials

Data Validation in Excel

Ramiz Assaf

Academic and Professional Trainer

About the Instructor

Prerequisites

• General Knowledge in Excel / Basic functions and features of Excel

• More advanced functions

• Prerequisite:
  • Data Analysis using Excel

What is Data Validation?

Data Validation: Quality control for data entry

• Reject defective products (typos)
• Blocks invalid entries
• Every entry follows the rules!

Importance of Data Validation

• Ensures data integrity

 

Importance of Data Validation

• Ensures data integrity

 

• Reduces data entry errors

 

Importance of Data Validation

• Ensures data integrity

 

• Reduces data entry errors

 

• Enhances reliability of analysis

 

Data Validation in Excel

In Excel, you can

• Specify allowed data types

Data Validation in Excel

In Excel, you can

• Specify allowed data types

 

• Add instructions for users

Data Validation in Excel

In Excel, you can

• Specify allowed data types

 

• Add instructions for users

 

• Set custom error messages

Limitations of Data Validation in Excel

• Lacks built-in duplicates prevention

• Can be overwritten by Copy/Paste

• Struggles with complex logic

OptiSupply Solutions

OptiSupply Solutions

• Inventory analyst in the warehouses department

OptiSupply Solutions

• Inventory analyst in the warehouses department

 

• Data provided include products, quantities, SKU ID and more

Let's practice!

Data Validation in Excel