Have you found this content useful? Use the button above to save it to your profile. This is a companion article to 'Where does it hurt?', our introduction to IT troubleshooting. This article will ...

Microsoft Excel に備わったデータの自動変換機能によって入力内容が置き換わってしまったり、シートやシートの見出し (タブ) が消えたように見えたりなど、想定外の動作で困った経験がある人は少なくありません。Excel の故障や操作ミスを疑いがちですが ...

Have you ever found yourself staring at an Excel spreadsheet, frustrated by a formula error you can’t untangle or a formatting glitch that refuses to cooperate? You ...

Have you ever stared at an Excel spreadsheet, overwhelmed by its complexity, and thought, “There must be a better way to do this”? You’re not alone. Despite being one of the most widely used tools for ...

> This only applies to multiple Excel workbooks open on Windows or Mac. ## Coauthoring See [Coauthoring in Excel add-ins](co-authoring-in-excel-add-ins.md) for ...