when I try to copy any formatted text or tables within the same or different Word documents I will always loose the formatting. This is also true if I try to copy formats or formatted tables within Excel or from Excel to Word, see example screenshot:

When I have a look at my paste options via 'Alt', 'e', 's' or 'Paste special' it only lets me choose between "Unformatted Text" or "Unformatted Unicode Text", see screenshot:

Resolution:

If you have installed Skype-Click-to-Call, just removed it to resolve this issue.