Microsoft Excel is a preferred software for professionals to crunch important numbers. When you deal with confidential spreadsheets like company quarterly reports, sales data, marketing budgets, ...

You can't edit or copy the contents of a protected Excel worksheet unless you first unlock the protection. If unlocking the worksheet doesn't require a password, or ...

Protecting a worksheet in Excel 2003 prevents others users from editing it. For example, if you have tracked and charted your business's sales on a sheet, you will want co-workers to access the sheet ...