Step 1: Create a custom form in Outlook 2010
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1. Click the Developer tab, from the Custom Forms group, choose Design a Form.
Note: If you are unable to see the Developer tab, please first show it by this method: Click the File tab. Under Help, click Options. Click Customize Ribbon. Under Customize the Ribbon, select the Developer check box.
2. Choose the Appointment form (Look in "Standard Forms Library") and click Open.
3. Select the All Fields tab, and then select All Appointment fields from the list. There is a field named Sensitivity. Change its value from "Normal" to "Private".
4. Click Publish form and choose a name for the form.
Note: You can put it where ever you like. I put mine in the Personal Forms Library. Be sure to note the message class. My test example was IPM.Appointment.PrivateAppointment.
Now you can check if the settings are right: Click the Developer tab, then click Choose Form from the Custom Forms group, and choose the form you created. Check if it is set as private. If the settings are right, go to next step.
Step 2: Apply the new form
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Note: Please first back up the registry settings. Click Start, in the Search or Run box, type regedit.exe and press Enter. Browse to the registry subkey: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook, right-click on it and select Export to create a backup copy of this section.
1. Please download the Microsoft Outlook Forms Administrator tool from the link below:
http://www.microsoft.com/downloads/details.aspx?FamilyID=34506cf7-c318-49b4-928f-1656bf787927&DisplayLang=en
2. Run to extract the tool and you will find a file SwapForms.exe.
3. Click the file SwapForms.exe, select the form to override. You’ll want to pick "Appointment (IPM.Appointment)".
4. For composing use, specify the class name of your custom form that you published earlier. In this example, it is: IPM.Appointment.IPM.Appointment.PrivateAppointment.
5. Leave Send item blank
6. For reading use, I set it to the default (IPM.Appointment).
7. Click the Save button and then the Export Saved Settings button to create a registry merge file.
8. Right-click on this file you exported and select Edit. You will see that all of the keys’ names begin with HKEY_CURRENT_USER\Software\Microsoft\Office\9.0.
9. In the file, change REGEDIT4 to Windows Registry Editor Version 5.00. Change all 9.0 to 14.0.
10. Save the settings. Then double click the merged file and add the registry information to your computer.
