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 ...

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 ...

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 ...