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 ...

If you want to set an expiration date and password when sharing Excel files online, here is how you can do that. It is possible to do both of them when using Excel Online. That said, you do not need ...

Excelのシートやワークブック単位でかけられた保護（ロック）を解除するために必要なパスワードを探り当てる無料のエクセルアドインです。編集しようとしたらパスワードが必要だったが、前任者などが退職してもういないのでどうしようもないという ...