put into a button or something
code:
open "eatme.txt" For append as 1
print #1, text1.text
close 1
if something is not there, vb automaticly creates it
edit :
more advance version
code:
Private Sub Command1_Click()
Open "C:\Text.txt" For Ouput As #1
Print #1,
Text1.Text
Close #1
End Sub