Make sure you are not in full screen mode, does F11 change
things. There are different options used for Full Screen.
Typically in Full Screen mode (F11 or under View menu) all that
you would see is the menu bar.
If you have not exited from Excel see
http://www.mvps.org/dmcritchie/excel/toolbars.htm#emergency
you may will have to unhide hidden extensions before you can
open your *.xlb toolbar. Be sure to check the datetimestamps.
Check toolbars under View menu, have you hidden toolbars.
The above web page has additional information.
When posting if you had checked for certain things first and not
found anything that is useful information that should be included.