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 ...

Microsoft Excel has been one of the go-to spreadsheet apps for several decades, and it's developed an array of tricks throughout its lifetime, not just for making data entry, editing, and organization ...

We’ve all been there—staring at a locked Excel file, unable to make the edits we desperately need because the password is nowhere to be found. It’s frustrating, isn’t it? Whether it’s an old file you ...

Quite often there is a situation in which you don’t want other users to modify the data stored in your Excel file. It can either be because the data is confidential, or the fact that you simply do not ...

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, ...