Excel LET Function Tutorial | Clean, Fast & Smarter Formulas

🎯 Want cleaner, faster, and more readable Excel formulas? In this tutorial, we explore the powerful but underrated LET function in Excel.
The LET function lets you assign names to calculations—basically, you create variables inside your formulas. This reduces repetition, boosts performance, and makes complex logic easier to manage.

🔍 What You’ll Learn:
What the LET function is and how it works
When and why to use it in real-world Excel workbooks
How LET improves performance by reducing recalculations
Real-life examples using IF, XLOOKUP, and FILTER
Advanced tips for using multiple variables
How LET compares to traditional Excel formulas

🧠 Who This Is For:
Excel users looking to clean up messy formulas, improve speed, and take their formula writing to the next level.

📌 Note: The LET function is available only in Excel 365 and Excel 2021 or later.
➕ Pro Tip: Add an underscore (_) before your variable names to make them easier to find in the formula editor—especially helpful when working with dynamic arrays.

⏱️ TIMESTAMPS
00:00 – Intro
00:13 – What is LET and why to use it?
00:30 – Simple example of LET in action
02:10 – Top 3 benefits of using LET
02:54 – Complex LET formula with IF
05:22 – How LET works in the background
05:53 – Using multiple variables in LET
06:38 – Naming tips for readability
07:43 – Version compatibility for LET
07:59 – Final thoughts & tips

💬 Comment Below: What’s your favorite way to use the LET function in Excel?
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