When the actions that you are attempting to perform in a worksheet apply to a protected cell or sheet, you will see grayed-out menus. You must unprotect the workbook, worksheet or cell to unlock the unavailable menus. ... If the worksheet is password-protected, Excel will not unlock the menus until you enter your password.
How to Unlock Grayed-Out Menus in Excel 2007
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Click the File tab jumping into backstage view; Then you will view the Options button at left bar. Click it into Excel Options window.
Where is Excel Options in Microsoft Excel 2007, 2010, 2013 - AddinTools
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