Monday, 11 September 2017

Your organisations polices are preventing us from completing this action for you, for more info please contact your helpdesk.

I've had a few problems with outlook refusing to open attachments the error is:

Your organisations polices are preventing us from completing this action for you, for more info please contact your helpdesk.

It's caused by a recent install of firefox

You need to edit the registry.
HKEY_CURRENT_USER>Software>Classes>.html

You need to edit the (Default) from FirefoxHTML to htmlfile

You will also need to do this for .htm .xhtm .xhtml .shtml .xht and possibly .xhtmm but I've not seen that one on the systems I've seen.

Credit: https://www.youtube.com/watch?v=RqZjaP7rmIU

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