Dynamic Invoice in Excel | Data Validation + UNIQUE + FILTER Formula | Professional Excel Project

Описание: Learn how to create a Dynamic Invoice System in Excel using Data Validation, UNIQUE, and FILTER formulas 🔥

In this tutorial, I’ll show you step-by-step how to build a professional automated invoice template that updates data instantly when you select a customer or product — no VBA required!

📘 In this video, you’ll learn:
Using Data Validation for dropdown lists
Applying UNIQUE and FILTER formulas
Auto-update invoice details

💡 Perfect for accountants, business owners, and Excel learners who want to build professional invoice systems in Excel.
📊 Tools used: Data Validation | UNIQUE | FILTER | Excel Formulas

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