Do any of the following:
Align a table on a page
Left aligned with indent
Click the table, and then click the Table Layout tab.
Under Settings, click Properties.
Click the Table tab, and then under Alignment, select the option that you want.
Tip: To indent a left-aligned table, enter a number in the Indent from left box.
Align text within a table
Select one or more cells in the table, and then click the Table Layout tab.
Under Alignment, click Align, and then select the option that you want.