Decoding the Mysterious # Symbol in Excel Once and For All

Опубликовано: 06 Июнь 2026
на канале: Analytics Success
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If you've ever seen the mysterious # symbol pop up in Excel formulas and wondered what it really means, this video is for you. Excel's dynamic arrays have changed the game, and understanding how the # symbol works is key to using them effectively.

The Excel dynamic arrays are at the heart of transforming the way you should work in Excel and this video is an example of their capability.

In this video, I break down what the # symbol actually represents in Excel, when you can use it, and—just as importantly—when you can’t. We’ll explore the logic behind it, and how this symbol can be your shortcut to smarter, more dynamic spreadsheets.

I’ll walk you through a real-world application of the # symbol, where it helps extend a formula across a spilling range automatically. By the end, you’ll feel confident using # to make your formulas more efficient and powerful.

🕙 You can use these timestamps in case you are looking for something specific
00:00 - Introduction
00:28 - Preparing a base to see where does # work in Excel
01:34 - Hash symbol works with dynamic arrays
02:36 - Hash symbol does not work with regular formulas or text
03:19 - Application: Creating lists using the hash symbol

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