Page 38 - Excel Data Analysis
P. 38

02 537547 Ch01.qxd  3/4/03  11:45 AM  Page 24







                     EXCEL DATA ANALYSIS




                  PROTECT WORKSHEETS



                     f you intend to share your worksheet with other users,  users can perform while the worksheet is protected. There
                     you may want to password protect it to ensure that  are fifteen different options from which to choose,
                  I users cannot alter values in individual cells. By  including locking and unlocking cells, formatting, and
                  protecting the worksheet, you ensure that the integrity of  inserting or deleting cells. If a user attempts to perform a
                  the data remains intact, no matter who views the worksheet  task that is not allowed, Excel displays a message box
                  contents.                                           indicating that the worksheet is protected. In order for
                                                                      users to make any modifications to a protected worksheet,
                  To protect a worksheet, you use the Protect Sheet dialog  they must unprotect the worksheet with the appropriate
                  box. Excel requires you to specify a password to protect and  password.
                  unprotect the worksheet. Use a password that you can
                  easily remember; after you apply a password to a    By default, Excel allows the user to select both locked and
                  worksheet, no one, including you, can alter the worksheet  unlocked cells. When users select a protected cell, they can
                  without specifying the appropriate password. After you  view the contents of the cell in the Formula bar. If you have
                  unprotect a worksheet, it remains that way until you protect  created formulas that you do not want others to view, you
                  it again.                                           should make sure both of these options are not selected. If
                                                                      users select an unprotected cell, they can modify the cell in
                  The Protect Sheet dialog box gives you further control over  the Formula bar.
                  others' actions by allowing you to specify the functions that


                   PROTECT WORKSHEETS









                                                                                     Select locked cells















                  ⁄ Click Tools ➪ Protection ➪                       ■ The Protect Sheet dialog   › Select the options you
                  Protect Sheet.                                     box displays.             want to allow the user to
                                                                                               perform while the worksheet
                                                                     ¤ Make sure you select    is protected.
                                                                     the Protect worksheet and
                                                                     contents of locked cells   ˇ Click OK.
                                                                     option.
                                                                     ‹ Type the password to
                                                                     protect the worksheet.
                   24
   33   34   35   36   37   38   39   40   41   42   43