If you have Excel spreadsheets with sensitive data, you can easily lock and unlock them Here's what you need to do.

不必要な変更を防ぐのに役立つ、Excelのシートの保護。しかし、いざという時に変更できなくなることも…。今回は、パスワードを忘れてしまった時に、シートのロックを解除する方法をご紹介します。

Here is a tutorial to lock or hide only the formula cells in an Excel workbook. You can also lock formulas in all worksheets in a workbook.

How to Unprotect a Spreadsheet in Office 2007. Microsoft Office 2007 has several programs that facilitate the day-to-day operations of small businesses, including PowerPoint, Word and Excel ...

How to Tell If a Worksheet Is Protected in Microsoft Excel 2003. Protecting a worksheet in Excel 2003 prevents others users from editing it. For example, if you have tracked and charted your ...

Learn how to unprotect Excel sheets or workbooks without a password using this simple step-by-step guide. No software required!