How do we specify the background color (or transparency) for exported images?
We are trying to export a diagram from EA 14 to PowerPoint and when we do it is always a large white box. We'd like the background to be transparent so we can place it on a rectangle filled with one of the theme colors. It would even be acceptable to use the current gradient fill in a frame, but it always exports a frame filled with white.
The answer is simple and sad: you can't. While transparency seems to be partly supported with images (after many, many years) you can not export it with transparency.
Try sending a feature request. But don't hold your breath.
Not really a suggestion: use white board mode and delete the white parts with Gimp (or something like that).