> Skype was a fully encrypted means of communication... Then the NSA... Another Skype skullduggery that's much less known than the protocol weakening is that t

> Skype was a fully encrypted means of communication... Then the NSA... Another Skype skullduggery that's much less known than the protocol weakening is that they preserve voice mails and video messages forever. There is literally no way to delete them. I can't figure out if this misbehavior is being imposed on Microsoft/Skype or it's something they decided to do on their own. Setting Preferences -> Privacy -> Delete history (OS X) or Options -> Privacy Settings -> Clear history (Windows) appears to delete the voice/video messages but it merely hides them from your view. If you re-install Skype, all the "deleted" messages comes back. You can also run Skype on a different computer to see that all the voice/video messages still exist. As far as I can determine, deleted chats (text conversations) do not re-appear, though we shouldn't assume those aren't being surreptitiously archived as well. Googling about this yields surprisingly little discussion. It appears that a few people have been aware of it since 2013. I can't find any response, workaround, explanation, or admission from Microsoft/Skype.