How To Detect Duplicate Values in Excel Using Conditional Formatting (Avoid Double Payments!)

Are you a payable accountant, finance officer, or anyone responsible for uploading large payment batches to your bank platform? Then this tutorial is a MUST-WATCH. Duplicate payments can damage your credibility, affect your organization financially, and even put your job at risk — especially when handling vendor payments or salary uploads. Especially when your line manager can't take bullet for you. In this video, I’ll show you exactly how to detect duplicate values in Excel using Conditional Formatting, a simple but powerful tool that helps you avoid costly errors or embarrassment. 💡 Why This Matters Before you upload payments, always assume something might be wrong — nothing is perfect until you confirm it. With one quick shortcut, ALT → H → L → H, Excel instantly highlights duplicate salary IDs, vendor codes, transaction amounts, or any repeated value. Even if you have a manager who “can take the bullet,” it is still your responsibility to ensure zero duplicate payments. 🔥 What You Will Learn ✔ How to apply Conditional Formatting to detect duplicates ✔ How to highlight repeated employee IDs, vendor numbers, or payment amounts ✔ How to verify your upload sheet before sending it to the bank ✔ Why every payable accountant should make this step a routine ✔ A simple audit technique that saves you from embarrassment and financial loss 🎯 Who Should Watch? Payable Accountants Payroll Officers Finance & Admin Professionals Data Analysts who verify transaction data Anyone using Excel to prepare reports or payments 🚀 Become a Smarter Payment Professional Make conditional formatting your powerful safety net. With just a few clicks, you’ll gain confidence that no duplicate salary or vendor payment escapes your review.