Disable changes to calendar and contacts in programs tab in Internet Explorer

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This setting enables you to prevent making changes to calender and contacts in programs tab of Internet Options.
Level: Recommended For Experts Only
Calendar and contacts information come in microsoft outlook. It contains your engagements, timings & dates and also important information about persons in your contact. You can prevent the user to make any changes in the calendar and contacts option in programs tab. For this, go to start > run menu, enter regedit and navigate to the registry path listed below. Now, create a dword value name calendarcontact in the right panel, if it does not exist. Right-click it and modify the data value with 1 to enable the setting and 0 to disable it. Click ok and close the registry editor. Restart internet explorer to see the changes. When editing the registry it is highly recommended to run a quick scan for optimization, you can test your system now for free.


First, click the Start button, and select Run. In the resulting dialog box, type "regedit"
Second, go to [HKEY_CURRENT_USER\Software\Policies\Microsoft\] and create a new key "Internet Explorer"
Third, create a subkey "Control Panel" under "Internet Explorer".
Fourth, create a DWORD value "CalendarContact".
Now,right-click on "CalendarContact" and select 'Modify'
Finally, set the "Value Data" to 1in the textbox provided and click on 'OK'.

Registry Entries

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  • Path: [HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\Control Panel\]
  • Location: Current User
  • Value Name: CalendarContact
  • Data Type: DWORD (DWORD Value)
  • Enabled Value: 1
  • Disabled Value: 0
  • Action Type: Add an Entry

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