Thanks for the Reply Max,

The thing is, if I was to Use an Excel Formula to Check ALL the Numbers
I would Like to it would Create a File of About 50MB.
Using a Macro to do this so ONLY the Results Values are Output to the
Respective Cells would Not Only be Far Quicker in Respect to the
Processing Time, But would Only Create a Small File Size.

Thanks for your Help.
All the Best.
Paul



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