The Format tab in the Diagram window contains the following commands:
Select Font opens the font window which allows you to set the font properties for the selected blocks.
Font Color opens the Color Palette, which allows you to set the font color for the selected text.
Fill Color opens the Color Palette, which allows you to set the fill color for the selected text.
Diagram Style opens the Diagram Style window, which allows you to customize the appearance of the current diagram and set the default properties for connectors and new blocks that are added to the diagram.
Block Style opens the Block Style window, which allows you to customize the appearance of the selected block or annotation.
Connector Style opens the Connector Style window where you can customize the appearance of the selected connectors.
Align Blocks allows you to easily adjust the position of multiple blocks. The selected blocks will be aligned with the first block selected, except for Align to Grid, which moves each selected block to its nearest point on the grid. (See Arranging and Resizing Blocks.)
Make Spacing Equal allows you to easily adjust the spacing between multiple blocks. The selected blocks will be moved so that they are equally spaced over the original size of horizontal and/or vertical area. (See Arranging and Resizing Blocks.)
Make Same Size allows you to resize multiple blocks of different sizes. The selected blocks will be resized to match the height and/or width of the first selected block. (See Arranging and Resizing Blocks.)
Bring to Front moves the currently selected blocks in front of other objects on the diagram.
Send to Back moves the currently selected blocks behind other objects on the diagram.