Copy/paste this code to a general module in the workbook.
Sub refresh_rates()
Selection.QueryTable.Refresh BackgroundQuery:=False
End Sub
If not familiar with VBA and macros, see David McRitchie's site for more on
"getting started".
http://www.mvps.org/dmcritchie/excel/getstarted.htm
In the meantime..........
First...create a backup copy of your original workbook.
To create a General Module, hit ALT + F11 to open the Visual Basic Editor.
Hit CRTL + r to open Project Explorer.
Find your workbook/project and select it.
Right-click and Insert>Module. Paste the code in there. Save the
workbook and hit ALT + Q to return to your workbook.
Bring down the Forms Toolbar and select the Button tool.
Draw a button on your sheet.
Right-click and "Assign macro"
Assign the above to that button.
I don't know why there is no Euro to USD
You could search the 'net for a website with that info then create a New Query
from that site.
Gord