Excel+documents+open+as+blank-grey

There is a very simple fix for this. Please Note: In some cases, Microsoft might mention that the add-on is not installed and ask if you want to install it. Select Yes and let it run through the installation. When it is finished, you will not get a confirmation, but the installation window will be gone. let me know if the problem solved or ??
 * 1) Open Excel
 * 2) Click the Microsoft button (Round button top left)
 * 3) Click on the Excel Options button
 * 4) Select Add-ins on the left menu
 * 5) At the bottom of the screen make sure the pull-down window says excel add-ins
 * 6) Click Go
 * 7) Enable the look-up wizard
 * 8) Put a check mark beside Lookup Wizard
 * 9) Click OK