Sub text_to_column()
Application.ScreenUpdating = False
On Error Resume Next
For Each wksht In ActiveWorkbook.Worksheets
For Each col In wksht.Columns
Columns(col.Column).TextToColumns _
Destination:=Cells(1, col.Column), _
DataType:=xlDelimited, _
TextQualifier:=xlDoubleQuote, _
ConsecutiveDelimiter:=False, _
Tab:=True, _
Semicolon:=False, _
Comma:=False, _
Space:=False, _
Other:=False, _
FieldInfo:=Array(1, 1), _
TrailingMinusNumbers:=True
Next col
Next wksht
Application.ScreenUpdating = True
End Sub