How to Remove Duplicates Automatically in Excel (UNIQUE + Data Validation)
Stop Duplicates Forever! Excel UNIQUE Function + Data Validation
Tired of messy data and duplicate entries ruining your spreadsheets? In this tutorial, you'll discover the powerful combination of the UNIQUE function and Data Validation to create clean, professional, and error-proof Excel files.
What You'll Learn:
How the UNIQUE function automatically removes duplicates (Dynamic Arrays)
Setting up powerful Data Validation rules (dropdowns, numbers, dates, etc.)
Creating dynamic dropdown lists that update automatically with UNIQUE
Real-world examples: Inventory management, employee lists, sales data, and more
Pro tips to prevent bad data entry before it happens
Perfect for beginners and intermediate Excel/Google Sheets users who want to work smarter and faster.
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