'Uses DAO, requires a reference to the Microsoft DAO 3.x Object Library
'(3.6 for Access 2000 or later, 3.51 for Access 97).
Dim db As DAO.Database
Dim tdf As DAO.TableDef
Dim fld As DAO.Field
Dim boolDone As Boolean
Set db = CurrentDb
Set tdf = db.TableDefs("YourTableNameHere")
For Each fld In tdf.Fields
If fld.name = "YourColumnNameHere" Then
boolDone = True
Exit For
End If
Next fld
At this point, if the column exists, the value of the variable boolDone will
be True.