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。

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

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 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!

Are you wondering how to unlock cells in Excel? We’ve got you covered right here. There's a great feature in Microsoft Excel that allows you to lock cells and prevent them from being edited when you ...

Using Microsoft Excel 2007, you can protect worksheets in order to keep other users from making changes. Unfortunately, this protection applies to everything on the worksheet, including groups.