How to Use Custom Excel Data Validation in Tamil | Greater Than, Uppercase & Dropdown
In this session, you’ll learn 3 powerful Custom Excel Data Validation techniques, explained clearly in Tamil!
Step-by-step demonstration with real-time office examples — perfect for students, teachers, and professionals learning Advanced Excel.
🔹 📘 Concepts Covered:
1️⃣ B1 is greater than A1 Validation:
– Allow data only when one cell value is greater than another.
– Example: Prevent wrong marks entry or quantity mismatch.
2️⃣ Allow Uppercase Only:
– Automatically restrict data entry to capital letters using the EXACT() and UPPER() formula trick.
– Ideal for ID codes or form entries.
3️⃣ Dependent Dropdown Lists:
– Create a dropdown list that changes based on another cell’s selection.
– Real-time use: Select Category → see Subcategory options automatically.
💡 Why You Should Watch:
✔ Learn practical Data Validation uses
✔ Build smart & error-free Excel forms
✔ Strengthen your Excel formula skills
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