Option Explicit

Sub whatFile()
Dim filetoOpen As String

filetoOpen = Application _
.GetOpenFilename("Text Files (*.txt), *.txt")

Workbooks.OpenText Filename:=filetoOpen, Origin:=xlWindows, StartRow:=1, DataType:=xlDelimited, TextQualifier _
:=xlDoubleQuote, ConsecutiveDelimiter:=False, Tab:=True, Semicolon:= _
False, Comma:=False, Space:=False, Other:=False, FieldInfo:=Array(Array _
(1, 1), Array(2, 1), Array(3, 1), Array(4, 1), Array(5, 1), Array(6, 1), Array(7, 1)), _
TrailingMinusNumbers:=True

End Sub