Ink jet recording medium

The invention is directed to an ink jet recording medium comprising at least: a support, and a microporous film adhered to said support, wherein said microporous film is characterised by: an oriented thermoplastic film comprising at least a filler, said film having interconnecting channels between the pores, with a void volume between 30 to 80 volume percent of the total microporous film, and having a volume of pores with a pore diameter between 50 nm and 1000 nm of less than 60 volume % of the total void volume of said microporous film, as determined by the mercury intrusion porosimetry method.