Final answer:
To customize the keyboard and ribbon in Microsoft Office, access the 'Options' section in the backstage view where you can configure application settings to improve productivity and user experience.
Step-by-step explanation:
When customizing the keyboard and ribbon in Microsoft Office applications, the section of the backstage view you should access is 'Options'. The Options area allows you to configure various settings for the application, including customizing the ribbon and keyboard shortcuts. By navigating to this section, you can tailor the application interface according to your preferences, enhancing your productivity and user experience with the software.When customizing the keyboard and ribbon in Microsoft Office applications, you should access the Options section of the backstage view.