TablesOfFigures.Format (Word)

Returns or sets the formatting for the tables of figures in the specified document.

Possible Values are wdTOFCentered - Centered formatting, wdTOFClassic - Classic formatting, wdTOFDistinctive - Distinctive formatting, wdTOFFormal - Formal formatting, wdTOFSimple - Simple formatting, wdTOFTemplate - Template formatting.
ActiveDocument.TablesOfFigures.Format = wdTOFCentered