Table.TableDirection (Word)

Returns or sets the direction in which Microsoft Word orders cells in the specified table. Possible return values are wdTableDirectionLtr - The selected rows are arranged with the first column in the leftmost position, wdTableDirectionRtl - The selected rows are arranged with the first column in the rightmost position.

If the TableDirection property is set to wdTableDirectionLtr, the selected rows are arranged with the first column in the leftmost position. If the TableDirection property is set to wdTableDirectionRtl, the selected rows are arranged with the first column in the rightmost position.

Selection.Rows.TableDirection = _ 
 wdTableDirectionRtl