Firefox

about:config
1. "browser.search.showOneOffButtons == false" to set old searchbar. Which can be navigated through Ctrl+ up/down

Links:
https://support.mozilla.org/en-US/questions/1035085

Microsoft Excel

1. Take in a cell display in multiple lines: Alt-Enter.

2. Create new row:
    Alt + i + r
    shift + space and Keyboard Right-Click Key +  i
    Ctrl + shift + + -- add row/column
    Ctrl + -  -- delete row/column
    To repeat same action again, press F4 so that you can create multiple rows.
3.  To freeze the header
      View =>"Freeze Panes"
4. To manually select the options on a cells
     alt + pagedown + tab + scroll with arrow keys + select



References:
http://spreadsheetpage.com/index.php/tip/display_text_in_multiple_lines (1)
http://www.howtogeek.com/208342/how-do-i-insert-a-new-row-in-excel-via-the-keyboard (2)
http://superuser.com/questions/59872/fixing-the-first-row-as-sortable-title-in-excel-2007 (3)
 http://superuser.com/questions/178222/excel-keyboard-shortcut-to-move-swap-column-left-or-right#comment780862_626902