Issue Pressing the Tab key on your keyboard can be a useful way to navigate within grids in Rally. However, if you are using the MAC OS X system, you will need to ensure that a specific keyboard setting is enabled when using either Firefox or Safari browsers.
For Safari browsers using MAC OS X
Open the browser, then click System Preferences ? Keyboard ? Keyboard Shortcuts ? Full Keyboard Access. Select the?All Controls?setting.
For Firefox browsers using MAC OS X
Open the browser, then click System Preferences > Advanced. Select the?Press Tab to highlight each item on a webpage?option.