The second method saves the values in a single null-delimited string: "value1value2...". You could use a comma, semi-colon, or some other printable character as the delimiter, but then the values could not contain the delimiter character.

Private Sub Form_Load()
Dim i As Integer
Dim values As Variant

    ' Load array 1.
    For i = txtArray1.LBound To txtArray1.uBound
        ' Each setting is saved as a separate
        ' entry with names like Array1(0),
        ' Array1(1), etc.
        txtArray1(i).Text = GetSetting( _
            "SaveArrays", _
            "Values", _
            "Array1(" & Format$(i) & ")", _
            "***")
    Next i

    ' Load array 2.
    ' All values are saved in one comma-delimited
    ' string. Note that this means the values
    ' cannot contain a comma.
    ' Get the values and split them into an array.
    values = Split(GetSetting( _
        "SaveArrays", _
        "Values", _
        "Array2", _
        "***,***,***,***,***"), vbNull)

    ' Copy the values into the controls.
    For i = txtArray2.LBound To txtArray2.uBound
        txtArray2(i).Text = values(i)
    Next i
End Sub

Private Sub Form_Unload(Cancel As Integer)
Dim i As Integer
Dim values As String

    ' Save array 1.
    For i = txtArray1.LBound To txtArray1.uBound
        ' Each setting is saved as a separate
        ' entry with names like Array1(0),
        ' Array1(1), etc.
        SaveSetting _
            "SaveArrays", _
            "Values", _
            "Array1(" & Format$(i) & ")", _
            txtArray1(i).Text
    Next i

    ' Save array 2.
    ' All values are saved in one comma-delimited
    ' string. Note that this means the values
    ' cannot contain a comma.
    ' Compose the value string.
    For i = txtArray2.LBound To txtArray2.uBound
        values = values & vbNull & txtArray2(i)
    Next i

    ' Remove the leading Null.
    values = Mid$(values, 2)

    ' Save the value string.
    SaveSetting _
        "SaveArrays", _
        "Values", _
        "Array2", _
        values
End Sub