Version Property [Access 2003 VBA Language Reference]
Returns a String indicating the version number of the currently installed copy of Microsoft Access. Read-only.
expression Required. An expression that returns one of the objects in the Applies To list.
The following example displays the version and build number of the currently-installed copy of Microsoft Access.
MsgBox "You are currently running Microsoft Access, " _ & " version " & Application.Version & ", build " _ & Application.Build & "."