How to: Full justify text in all table cells.
Solution:
Select the table and select 'Paragraph...' from the 'Format' menu. Click 'Indents and Spacing' tab and select 'Justified'.
1) Single-click anywhere in the desired table.
2) Select the 'Table' menu and select 'Select Table'. (The entire table is highlighted.)
3) Select the 'Format' menu and select 'Paragraph...'. (The 'Paragraph' dialog box appears.)
4) Click 'Indents and Spacing' tab.
5) Select 'Justified' from the 'Alignment' drop-down list box.
6) Click 'OK'.
Select the table and click 'Justify' from the 'Formatting' toolbar.