How to: Reserve write privileges to a document or worksheet.
Solution:
Select 'Save As...' from the 'File' menu and choose 'Options...'. Type password in 'Write Reservation Password' box and save the file.
To reserve write privilege to a workbook or document:
1) Select 'Save As...' from the 'File' menu. (The Save As dialog box appears.)
2) Make sure the name of the desired file appears in the 'File name' box.
3) Click 'Options...'. (The Save Options dialog box appears.)
4) Type a password in the 'Write Reservation Password' box.
CAUTION: Do not forget the password because if the password is forgotten, the file cannot be edited.
NOTE: Passwords are case-sensitive.
5) Click 'OK'. (The Confirm Password dialog box appears.)
6) Type the same password in the 'Reenter Write Reservation Password' box.
7) Click 'OK'. (The Save As dialog box reappears.)
8) Click 'Save'. (A confirmation dialog box appears.)
9) Click 'Yes' tosave the file with the password.