Select the cells you want to lock
Right-click and choose Format Cells
Go to the Protection tab
Check Locked
Click OK
Go to the Review tab
Click Protect Sheet
Set a password if desired
Choose the actions you want to allow
Click OK
Save the workbook
Select the cells you want to lock
Right-click and choose Format Cells
Go to the Protection tab
Check Locked
Click OK
Go to the Review tab
Click Protect Sheet
Set a password if desired
Choose the actions you want to allow
Click OK
Save the workbook