Hyperlinks do not open from within Outlook

Assume that you set Internet Explorer as your default browser in Windows. When you click a hyperlink in Microsoft Outlook, you receive one of the following error messages, depending on your Outlook version:

This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator.

Your organization's policies are preventing us from completing this action for you. For more info, please contact your help desk.


 Verify that the String (Default) value of the "HKEY_CLASSES_ROOT \.html" key is "htmlfile"

Step One: Select Start Run.

Step Two: In the Open box, type regedit, and then select OK.

Step Three: Locate, and then click the following registry subkey:HKEY_CLASSES_ROOT \.html

Step Four: Make sure that the value of the String (Default) is "htmlfile". If it's not "htmlfile", right-click (Default), select Modify, input htmlfile in the Value data box, and then select OK

Some versions of Firefox over write this value.

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Article ID: 38854
Fri 9/8/17 4:28 PM
Fri 11/1/19 10:55 AM