Dimensions contains three different menu layouts - the standard Ribbon, Classic, and Module menus. Classic and module menus are older style menus that were used in Dimensions versions prior to the release of the 2.50 range.
In order to switch between menu layouts, follow the below steps. Note that changing a menu layout will close all open windows within Dimensions:
If you are using Ribbon view (tab for each module along the top, and each item on a ribbon below the tabs)
Log into Dimensions.
Click on the red logo to the left of Home.
Select Navigation Style, Navigator
Select Classic or Module Menus.
If you are using Classic (modules are accessed via the Access Menu, or a module list on the left)
Log into Dimensions.
At the top, select Info, Menu Style (Classic)
Select Ribbon or Navigator, Module Menus
If you are using Module Menus (modules are listed as the top and items accessed via drop down menu, or via a module list on the left)
Log into Dimensions.
At the top, select Info, Menu Style (Module Menu)
Select Ribbon or Navigator, Classic