Below is an example of appending to text file.

' ' This code was borrowed from http://www.viiweb.com and is free to use without ' warranties or guarantees. ' Public Sub WriteToFileText(ByVal strFileName As String, ByRef strText As String) Dim fs As FileStream Try fs = New FileStream(strFileName, FileMode.Append) Dim sw As New StreamWriter(fs) sw.Write(strText & vbCrLf) sw.Close() Catch ex As Exception Throw ex End Try End Sub

  Tested Platform: Visual Studio .Net 2003