1. Current Menus
2. After some consolidation
3. After extraneous item removal

Current Menus

General Menus:

• File
  • New
    • New Message...
    • New Folder...
    • New Saved Search...
    • New Account...
    • New Address Book Card...
  • Open Saved Message...
  • Attachments
  • Close (Window)
  • Save As
    • File
    • Template
  • Get New Messages for
    • Get All New Messages
    • (list of accounts follows)
  • Send Unsent Messages
  • Subscribe...
  • Rename Folder
  • Compact Folders
  • Empty Trash
  • Offline
    • Work Offline
    • Download/Sync Now...
    • Offline Settings
    • Get Flagged Messages
    • Get Selected Messages
  • Page Setup...
  • Print Preview
  • Print...
  • Exit/Quit (but not available on Macs)</h3>

• Edit
  • Undo
  • Redo
  • Cut
  • Copy
  • Paste
  • Cancel Message
  • Delete Folder|Message
  • Select
    • All
    • Thread
  • Find
    • Find in This Message...
    • Find Again
    • Find Previous
    • Search Messages...
    • Search Addresses...
  • Folder Properties...
  • Preferences (platform specific; other platforms use Tools|Options)

• View
  • Toolbars
    • Mail Toolbar
    • Search Toolbar
    • Status Bar
    • Customize...
  • Layout
    • Classic View
    • Wide View
    • Vertical View
    • Message Pane
  • Sort By (with a load of options)
  • Messages (with a load of options)
  • Threads (with a load of options)
  • Headers
    • All
    • Normal
  • Message Body As
    • Original HTML
    • Simple HTML
    • Plain Text
  • Display Attachments Inline
  • Text Size
    • Increase
    • Decrease
    • Normal
  • Character Encoding
  • Message Source
  • Message Security Info

• Go
  • Next
    • Message
    • Unread Message
    • Flagged Message
    • Unread Thread
  • Previous
    • Message
    • Unread Message
    • Flagged Message
  • Mail Start Page

• Message
  • New Message
  • Reply
  • Reply All
  • Forward
  • Forward As
    • Inline
    • Attachment
  • Edit Message as New
  • Open Message
  • Move
  • Copy
  • Label
  • Mark
  • Create Filter from Message...

• Tools
  • Address Book
  • Extensions
  • Themes
  • Message Filters...
  • Run Filters on Folder
  • Junk Mail Controls
  • Run Junk Mail Controls on Folders
  • Delete Mail Marked as Junk in Folders
  • Import...
  • Account Settings...

• Help
  • Release Notes
  • Mozilla Thunderbird Help
  • About Mozilla Thunderbird

Mac-only Menus:

• Thunderbird (Mac only)
  • About Thunderbird
  • Preferences...
  • Quit Thunderbird

• Window (Mac only)
  • Minimize
  • Zoom
  • Bring All to Front
  • Mail & Newsgroups
  • Address Book