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 ...

To remove protection from the spreadsheet, open it in Excel, click the "Review" tab and then click "Unprotect Sheet" in the Changes group. Type the password into the Password field and click "OK." ...

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 ...

14. To make all cells editable again, click on "Unprotect Sheet" — which is in the "Protect" tab under "Review" — and re-enter your password. The cells will now be unlocked.