Hi, Christof, Il Mercoledė 13 Novembre 2013 11:19, Christof Spitz ha scritto:   > how does org-mode 'decide' whether a linked filed (C-c C-l) should be opened (C-c C-o) inside an Emacs buffer or opened by an external > program? I am using Emacs 24.3 for Windows and org-mode 8.2   reading the /HOME/USER/.mailcap file. please, have a look at the  FAQ: http://orgmode.org/worg/org-faq.html#text-external-application-launched-to-open-file-link cheers, Giovanni