Select the cells you want to unlock
Press Ctrl+1 to open Format Cells
Go to the Protection tab
Uncheck Locked
Click OK
Go to the Review tab
Click Unprotect Sheet if the sheet is protected
Enter the password if prompted
Save the workbook
Select the cells you want to unlock
Press Ctrl+1 to open Format Cells
Go to the Protection tab
Uncheck Locked
Click OK
Go to the Review tab
Click Unprotect Sheet if the sheet is protected
Enter the password if prompted
Save the workbook