In 2010, Microsoft added yet another technical term—Power Query—to Excel's long list of jargon, but it's not as complex as it ...

CSV形式のファイルをダブルクリックしたら文字化けしていた！ 普段の業務で、CSV形式のファイルを扱ったことのある人は少なくないのではないでしょうか。CSVはComma Separated Valueの略で、文字どおり「カンマ（Comma）で区切られた（Separated）値（Value）」が ...

Data cleaning is a crucial step in the data analysis process. Inaccurate, incomplete, or inconsistent data can lead to flawed insights and poor decision-making. Fortunately, Excel 365’s Power Query ...

Have you ever found yourself staring at a sprawling Excel workbook, wondering if you’re using the right tool for the job? Between Power Query, Power Pivot, and VBA, it’s easy to feel like you’re ...