Use the Render / Export / LUT Options menu to apply a LUT or colour transform to exported media.
Enable: Apply the selected LUT or colour transform when exporting.
Output LUT type: Select 1D LUT, 3D LUT, or Colour Transform.
Output LUT list: Select a LUT or colour transform to apply to exported media.
Browse (...) button: Press to open the file browser to navigate to a LUT or colour transform file.