Mozilla Apps Enhancements

add-on that provides accessibility features for Mozilla applications

Firefox

NVDA+A (desktop) or NVDA+Control+A (laptop) Reads the page address. If pressed twice quickly, copies it to clipboard.
NVDA+End (desktop) or NVDA+Shift+End (laptop) Reads the status bar. If pressed twice quickly, copies it to clipboard.
NVDA+F8 Shows a list of opened tabs. If pressed twice quickly, shows buttons of tool bar.
Also, you can assign, in NVDA preferences, an alternative gesture to display the toolbar buttons which is more comfortable for you than twice pressing.
NVDA+Control+N Reads the last notification and it takes the system focus to it if it is possible. By pressing two times quickly shows the history of notifications.
NVDA+F6 Brings the focus to the document.

In a message window:
- Control+Shift+(1-9) Reads the sender and recipients of the message. If pressed twice quickly, opens the options menu.
- Alt+Control+Shift+1-9 opens the options menu too; Use it if twice pressing does not work well.
- NVDA+F6 Brings the focus to the body of the message
  - Control+Shift+A Brings the focus to the list of attachments, if any.

(These scripts are also available in the list of messages if you activate the preview pane.)

In messages list:
- If the preview pane is active, press NVDA+downArrow (desktop) or NVDA+A (laptop) to read the message without leaving the list.
  - Control+NVDA+(1-9) Read the information in the corresponding column.

Gestures can be customized in Preferences of NVDA > Input gestures when Firefox or Thunderbird are open.

In NVDA Preferences > Options > Mozilla Thunderbird you can enable/disable automatic message reading in the preview pane.