So, I am writing an application in Excel2000 and VBA. I am using Autofilter to go through a bunch of raw data in a worksheet, filter it out, and copy it to a new sheet. For example, I have a sheet ...

配列の UBound/LBound は VBA 初心者がつまずきやすいポイントのひとつです。 で、配列の仕組みを直感的に理解できるように整理します。 配列（変数） arr を宣言しています。 Range を読み込むときは Variant 型 を使うのが基本です。 arr = Range("A1:B5").Value A1:B5 の表 ...

Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...

Navigating the world of Excel can sometimes feel like trying to solve a puzzle with missing pieces. If you’ve ever found yourself wrestling with the XLOOKUP function, only to be met with a chaotic ...

Microsoft Excel’s dynamic array function XLOOKUP() might completely replace VLOOKUP() and HLOOKUP(). Microsoft Excel’s lookup functions are powerful but often misunderstood because they have a few ...

Imagine you’re tasked with analyzing two datasets—one containing a list of products and another with customer segments. How do you uncover every possible pairing to identify untapped opportunities?

When I first discovered Excel's dynamic array functions, my entire approach to spreadsheet design shifted. They replaced my clunky, multistep workarounds with smart, self-expanding formulas that adapt ...