How-To Geek on MSN
Excel security is a myth: Passwords and hidden rows won't save your data, but this will
From hidden rows to sheet protection passwords, Excel's "privacy" features are easily bypassed—encryption and deletion are much more watertight.
一部の結果でアクセス不可の可能性があるため、非表示になっています。
アクセス不可の結果を表示する