Whether or not you can never become great at something, you can always become better at it. Don't ever forget that! And don't say "I'll never be good." You can become better! and one day you'll wake up and you'll find out how good you actually became.
Const ForWriting = 2
Dim objFSO, objFile, strFileName
strFileName = "textfile.txt"
Set objFSO = CreateObject("Scripting.FileSystemObject")
Set objFile = objFSO.OpenTextFile(strFileName, 2, true)
Set objShell = CreateObject("WScript.Shell")
Sub Submitarea
sTxtarea = TextFile.Value
oFIle.Write sTxtarea & vbCRLF
MsgBox "Your text has been added to " & strFileName, 64, "Textarea Input"
End Sub
It would then be handy to open that File. Add another button to do this.