Hi All

I am using Excel 2007 and in one of my cell I call the function =NOW() to display the current time.

I want to display the time also in milliseconds so I change the Cell Format from
Custom d-m-jjjj u:mm to u:mm.000 according to a lot of post I viewed.

When I do this an error message popups saying "Microsoft Office Excel cannot use the number format you typed.
Try using one of the built-in number formats." I tried also u:mm.### but it doesn't work.


I thinking that probably some other setting on Excel might be done, but I don't know where to find.
Can you help me?