A recommended approach to secure your most private documents — whether it’s a PDF, Word file, or Excel spreadsheet — is to lock them with a passcode. While this does help keep sensitive content safe, ...

仕事に、人生に効く一冊。 言わずと知れた表計算ソフト界の巨人「Microsoft Excel」には、意図しない改変を防ぐために、特定のセルやシート構成を保護する機能が搭載されています。 複雑にネストされた関数やセルの参照先が書き換えられてしまうと ...

There's no escaping spreadsheets. Tools like Excel and Google Sheets are ubiquitous these days, and learning how to use them more effectively will quickly enhance your daily work. But spreadsheets ...

From the laptops on your desk to satellites in space and AI that seems to be everywhere, I cover many topics at PCMag. I've covered PCs and technology products for over 15 years at PCMag and other ...