True.
But he showed what looks to me like the sparse point cloud and he was asking how to export it.
Depending on the hardware available it would also be much quicker with preview.
Wishgranters way will export the sparse cloud only unicolour, which is not quite the same as your preview.
XYZRGB I could neither open in Meshlab nor in CloudCompare. Is there any other program that can do that?
Maybe it will also help to point out that exporting “Mesh” also incorporates a point cloud or rather that at least CloudCompare can interpret and display it as that…
Teddy, that’s one hell of a studio you got there! 
Is that a country-house folly or a part of an industrial complex?