How to sort by unread messages or message with attachments?
• Select View > Toolbars > Customize (to bring up the customize toolbar window) • • In the Customize Toolbar Window, Find the icon titled “Mail Views.” • Drag and drop the icon onto a blank space on the Thunderbird toolbar. Available space will be highlighted in white. Click “OK” to exit the Customize Toolbar window. • Choose “Unread” from the “Mail Views” drop-down menu to automatically sort your e-mail by unread status. • • You may customize the menu by adding options such as displaying unread message from the last few days or viewing unread messages that have attachments or from a certain person.
