Protected and unprotected cells look the same in a spreadsheet. To delete all unprotected cells, you must select all of them at once, which can be easily done by using the Find and Replace feature.

Safeguard your Excel worksheets from accidentally deleting formulas or data sets by locking important cells, while leaving the rest of the worksheet editable.

If you wish to impart your Excel Spreadsheet a clean look, delete or remove the extra blank cells, rows, spaces, columns, from Excel sheet.