For converting .lif files to separate tif files:

if LIF file consists of stack series, and to separate them as each tiff stack:

bfconvert laminedapi23012.lif testS%s.tif

All stacks will be extracted as tif stacks with the above command.
To extract only one of the stacks out of .lif file, then specify the series number:

bfconvert -series s laminedapi23012.lif testS%s.tif

if LIF file consists of stack series, each stack has multiple channels and to separate them as each tiff stack with separated channel:

bfconvert laminedapi23012.lif testS%s_C%c.tif