Siehe https://www.msofficeforums.com/mail-merge/21460-multiple-page-document-individual-multiple-page-documents.html#post65503
Sub Merge_To_Individual_Files()
'Merges one record at a time to the chosen output folder
Application.ScreenUpdating = False
Dim StrFolder As String, StrName As String, MainDoc As Document, i As Long, j as long
Set MainDoc = ActiveDocument
With MainDoc
StrFolder = .Path & Application.PathSeparator
For i = 1 To .MailMerge.DataSource.RecordCount
With .MailMerge
.Destination = wdSendToNewDocument
.SuppressBlankLines = True
With .DataSource
.FirstRecord = i
.LastRecord = i
.ActiveRecord = i
If Trim(.DataFields("Last_Name")) = "" Then Exit For
StrName = .DataFields("Last_Name") & "_" & .DataFields("First_Name")
End With
.Execute Pause:=False
End With
StrName = Trim(StrName)
With ActiveDocument
.SaveAs2 FileName:=StrPath & StrName & ".docx", FileFormat:=wdFormatXMLDocument, AddToRecentFiles:=False
' and/or:
.SaveAs2 FileName:=StrPath & StrName & ".pdf", FileFormat:=wdFormatPDF, AddToRecentFiles:=False
.Close SaveChanges:=False
End With
Next i
End With
Application.ScreenUpdating = True
End Sub