OK , I solved with a: Me.exec("window.open(\"/export/export.xlsx\", '_blank');") bye, marco. Il 23/11/22 11:11, Marco Ancillotti ha scritto: > Hi all, > > how can I make a web gui button that download a file ? > > Thank's, > marco. > > > > ----[ http://gambaswiki.org/wiki/doc/netiquette ]----