Difficult to explain because I don't know 'Windows dictionary',w/e I want ,when,for example,I open a .bla file(UTF-8) to open it automaticaly with an autoit program and paste in an GuiCtrlCreateEdit Like notepad,when i open an .txt file,notepad open and paste in case the text file. And I want to when someone open for first time my program,to bind automatically to open .bla files with my program (I make a map converter - MTA->Sa-mp http://i.solidfiles.net/7669.jpg and I want to make it more ..fast&easy to use) Is this possible to make with autoit?