Some Office users have recently experienced “Unknown error trying to lock file” while using Office apps like Excel, Teams, OneDrive, PowerPoint, etc. It’s even ...

Want to protect an important Word document or Excel spreadsheet? Here's how to add a password, make documents read-only, and tap into other tricks to safeguard sensitive files. Our team tests, rates, ...

Microsoft Excel allows users to edit a cell in the cell itself. However, if you need to use a lot of big and complicated formulas, you might need to use the Formula bar. On the other hand, if you need ...

Excel（.xlsx）ファイルが開けない場合の対処方法 1.Excelを再起動する 2.ファイル名と拡張子を確認する 3.パソコンを再起動 ...