The "Set sensitivity" list is not locked in Outlook 2003 after you configure the sensitivity setting by using a policy or by modifying the correspondi

To resolve this problem, follow these steps.Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows

1. Click Start, click Run, type regedit, and then click OK.
2. Click the following subkey:
HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\11.0\Outlook\Preferences
3. On the Edit menu, point to New, and then click DWORD Value.
4. Type DisableSensitivity, and then press ENTER.
5. On the Edit menu, click Modify.
6. Type 1, and then click OK.
7. On the Edit menu, point to New, and then click DWORD Value.
8. Type DisableImportance, and then press ENTER.
9. On the Edit menu, click Modify.
10. Type 1, and then click OK.
11. Exit Registry Editor.

To view the Set sensitivity list in Outlook 2003, follow these steps:

1. On the Tools menu, click Options.
2. On the Preferences tab, click E-mail Options, and then click Advanced E-mail Options.
3. View the Set sensitivity list in the When sending a message section.