The following based on code I have posted before will save both the message and the word docx (or PDF) attachments with unique names in the named folder (which it will create if not present). I'll let you modify it to your own file naming preferences.

Option Explicit
Const strSaveFldr As String = "C:\Path\Attachments\"
Private wdApp As Object
Private wdDoc As Object

Sub ProcessMessage()
'An Outlook macro by Graham Mayor
Dim olMsg As Object
    'On Error Resume Next
    Set olMsg = ActiveExplorer.Selection.item(1)
    SaveAttachments olMsg
lbl_Exit:
    Exit Sub
End Sub

Sub ProcessFolder()
'An Outlook macro by Graham Mayor
Dim olNS As Outlook.NameSpace
Dim olMailFolder As Outlook.MAPIFolder
Dim olItems As Outlook.Items
Dim olMailItem As Object
    On Error GoTo Err_Handler
    Set olNS = GetNamespace("MAPI")
    Set olMailFolder = olNS.PickFolder
    Set olItems = olMailFolder.Items
    For Each olMailItem In olItems
        SaveAttachments olMailItem
        DoEvents
    Next olMailItem
Err_Handler:
    Set olNS = Nothing
    Set olMailFolder = Nothing
    Set olItems = Nothing
    Set olMailItem = Nothing
lbl_Exit:
    Exit Sub
End Sub

Private Sub SaveAttachments(olItem As Object)
'Graham Mayor - http://www.gmayor.com - Last updated - 09 Oct 2018
Dim olAttach As Attachment
Dim strFName As String
Dim strExt As String
Dim j As Long
Dim olInsp As Inspector
Dim oRng As Object
Dim strTemp As String
Dim intPos As Integer
    strTemp = Environ("TEMP") & "\"
    
    If Not TypeName(olItem) = "MailItem" Then GoTo lbl_Exit
    
    CreateFolders strSaveFldr

    SaveAsPDFfile olItem

    If olItem.Attachments.Count > 0 Then
        For j = 1 To olItem.Attachments.Count
            Set olAttach = olItem.Attachments(j)
            Select Case LCase(Mid(olAttach.fileName, InStrRev(olAttach.fileName, Chr(46))))
                Case ".docx", ".doc"
                    On Error Resume Next
                    olAttach.SaveAsFile strTemp & olAttach.fileName
                    Set wdApp = GetObject(, "Word.Application")
                    If Err Then
                        Set wdApp = CreateObject("Word.Application")
                    End If
                    On Error GoTo 0
                    wdApp.Visible = True
                    Set wdDoc = wdApp.Documents.Open(strTemp & olAttach.fileName)
                    intPos = InStrRev(olAttach.fileName, ".")
                    strFName = Left(olAttach.fileName, intPos - 1)
                    strFName = strFName & ".pdf"
                    strExt = Right(strFName, Len(strFName) - InStrRev(strFName, Chr(46)))
                    strFName = FileNameUnique(strSaveFldr, strFName, strExt)
                    wdDoc.ExportAsFixedFormat OutputFilename:=strSaveFldr & strFName, _
                                              ExportFormat:=17, _
                                              OpenAfterExport:=False, _
                                              OptimizeFor:=0, _
                                              Range:=0, _
                                              From:=0, _
                                              To:=0, _
                                              item:=0, _
                                              IncludeDocProps:=True, _
                                              KeepIRM:=True, _
                                              CreateBookmarks:=0, _
                                              DocStructureTags:=True, _
                                              BitmapMissingFonts:=True, _
                                              UseISO19005_1:=False
                    wdDoc.Close 0
                    'If bWordWasNotRunning = True Then wdApp.Quit
                Case ".pdf"
                    strFName = olAttach.fileName
                    strExt = Right(strFName, Len(strFName) - InStrRev(strFName, Chr(46)))
                    strFName = FileNameUnique(strSaveFldr, strFName, strExt)
                    olAttach.SaveAsFile strSaveFldr & strFName
                Case Else
            End Select
        Next j
        olItem.Save
    End If
lbl_Exit:
    Set olAttach = Nothing
    Set olItem = Nothing
    Exit Sub
End Sub

Private Sub SaveAsPDFfile(olItem As Object)
Dim olNS As NameSpace
Dim tmpPath As String
Dim strFileName As String
Dim strName As String
Dim oRegex As Object

    On Error Resume Next
    Set wdApp = GetObject(, "Word.Application")
    If Err Then
        Set wdApp = CreateObject("Word.Application")
    End If
    On Error GoTo 0

    Set olNS = Application.GetNamespace("MAPI")

    'Get the user's TempFolder to store the temporary file
    tmpPath = Environ("TEMP")

    'construct the filename for the temp mht-file
    strName = "email_temp.mht"
    tmpPath = tmpPath & "\" & strName

    'Save temporary file
    olItem.SaveAs tmpPath, 10

    'Open the temporary file in Word
    Set wdDoc = wdApp.Documents.Open(fileName:=tmpPath, _
                                     AddToRecentFiles:=False, _
                                     Visible:=False, _
                                     Format:=7)

    'Create a file name from the message subject
    strFileName = olItem.Subject
    'Remove illegal filename characters
    Set oRegex = CreateObject("vbscript.regexp")
    oRegex.Global = True
    oRegex.Pattern = "[\/:*?""<>|]"
    strFileName = Trim(oRegex.Replace(strFileName, "")) & ".pdf"
    strFileName = FileNameUnique(strSaveFldr, strFileName, "pdf")
    strFileName = strSaveFldr & strFileName
    wdDoc.ExportAsFixedFormat OutputFilename:= _
                              strFileName, _
                              ExportFormat:=17, _
                              OpenAfterExport:=False, _
                              OptimizeFor:=0, _
                              Range:=0, _
                              From:=0, _
                              To:=0, _
                              item:=0, _
                              IncludeDocProps:=True, _
                              KeepIRM:=True, _
                              CreateBookmarks:=0, _
                              DocStructureTags:=True, _
                              BitmapMissingFonts:=True, _
                              UseISO19005_1:=False

    ' close the document
    wdDoc.Close 0
lbl_Exit:
    'Cleanup
    Set olNS = Nothing
    Set wdDoc = Nothing
    Set oRegex = Nothing
    Exit Sub
End Sub

Private Function FileNameUnique(strPath As String, _
                                strFileName As String, _
                                strExtension As String) As String
'An Outlook macro by Graham Mayor
Dim lngF As Long
Dim lngName As Long
    lngF = 1
    lngName = Len(strFileName) - (Len(strExtension) + 1)
    strFileName = Left(strFileName, lngName)
    Do While FileExists(strPath & strFileName & Chr(46) & strExtension) = True
        strFileName = Left(strFileName, lngName) & "(" & lngF & ")"
        lngF = lngF + 1
    Loop
    FileNameUnique = strFileName & Chr(46) & strExtension
lbl_Exit:
    Exit Function
End Function

Private Function FileExists(strName As String) As Boolean
'An Outlook macro by Graham Mayor
Dim FSO As Object
    Set FSO = CreateObject("Scripting.FileSystemObject")
    If FSO.FileExists(strName) Then
        FileExists = True
    Else
        FileExists = False
    End If
lbl_Exit:
    Exit Function
End Function

Private Function FolderExists(strFolder As String) As Boolean
'An Outlook macro by Graham Mayor
Dim FSO As Object
    Set FSO = CreateObject("Scripting.FileSystemObject")
    If (FSO.FolderExists(strFolder)) Then
        FolderExists = True
    Else
        FolderExists = False
    End If
lbl_Exit:
    Exit Function
End Function

Private Function CreateFolders(strPath As String)
'An Outlook macro by Graham Mayor
Dim strTempPath As String
Dim lngPath As Long
Dim VPath As Variant
    VPath = Split(strPath, "\")
    strPath = VPath(0) & "\"
    For lngPath = 1 To UBound(VPath)
        strPath = strPath & VPath(lngPath) & "\"
        If Not FolderExists(strPath) Then MkDir strPath
    Next lngPath
lbl_Exit:
    Exit Function
End Function