OL2000: Add-in Features Missing in "Trusted Sources" Window
ID: Q208341
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The information in this article applies to:
IMPORTANT: This article contains information about editing the registry.
Before you edit the registry, make sure you understand how to restore it if
a problem occurs. For information about how to do this, view the "Restoring
the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help
topic in Regedt32.exe.
SUMMARY
In other Office programs you can use the Trusted Sources tab to turn off, Trust all installed add-ins and templates. Outlook does not have this setting, but it is possible to get this same functionality.
MORE INFORMATION
While Outlook does not provide a means to change this setting through the user interface, you can edit the Windows registry to force Outlook to not trust add-ins. For this registry setting to work, you must set the security level to Medium or High, on the Security Level tab, of the Security dialog box. If the security level is set to Low, you will not be warned about add-ins.
Like the other Office programs, the Outlook default setting is to have Trust all installed add-ins and templates turned on. Unless you specifically have a reason to change this setting, you should not make this change.
WARNING: Using Registry Editor incorrectly can cause serious problems that
may require you to reinstall your operating system. Microsoft cannot
guarantee that problems resulting from the incorrect use of Registry Editor
can be solved. Use Registry Editor at your own risk.
For information about how to edit the registry, view the "Changing Keys and
Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete
Information in the Registry" and "Edit Registry Data" Help topics in
Regedt32.exe. Note that you should back up the registry before you edit it.
If you are running Windows NT, you should also update your Emergency
Repair Disk (ERD).
To change the add-ins security setting, follow these steps:
- Quit all running programs.
- Click Start, and click Run.
- In the Open box, type regedit and then click OK.
- In the Registry Editor, open the following registry key:
HKEY_CURRENT_USER\Software\Microsoft\Office\9.0\Outlook\Security
If an entry exists in the right pane named DontTrustInstalledFiles, skip to Step 7. Use steps 5-6 only when you are adding the DontTrustInstalledFiles key to the registry.
- With the Security key selected, on the Edit menu, point to New and then click DWORD Value. This inserts a new option named New Value #1.
- In the right pane of the Registry editor, do either of the following:
- If New Value #1 is selected
- Press DELETE to delete the option name, New Value #1.
- Type DontTrustInstalledFiles, and then press ENTER. This renames the new option to the correct DontTrustInstalledFiles name.
- If New Value #1 is not selected
- Click to select New Value #1.
- On the Edit menu, click Rename.
- Type DontTrustInstalledFiles, and then press ENTER. This renames the new option to the correct DontTrustInstalledFiles name.
- With DontTrustInstalledFiles selected, on the Edit menu, click Modify.
- In the Value Data box, type 1. This setting forces Outlook to display a security warning when using COM add-ins.
Another difference in the Trusted Sources tab is that the other Office programs display text indicating whether or not a virus checker is currently installed. Outlook does not provide this notice.
REFERENCES
For additional information about available resources and answers
to commonly asked questions about Microsoft Outlook 2000 solutions,
please see the following article in the Microsoft Knowledge Base:
Q146636 OL2000: Questions About Custom Forms and Outlook Solutions
Additional query words:
OL2K OutSol OutSol2000 vbscript
Keywords : kbdta
Version : WINDOWS:2000
Platform : WINDOWS
Issue type : kbhowto
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