The representations were correct in nautilus, the backup was compressed. The actual problem was that file roller did not accept the input of the file without the file extension gz, even though it had the correct (sorry) mimetype.
** Changed in: file-roller (Ubuntu) Sourcepackagename: nautilus => file-roller -- Nautilus shows application/x-gzip mimetype for .blend file https://bugs.launchpad.net/bugs/318157 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to file-roller in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs