I have a worksheet that was downloaded from the web that I am trying to
compare with another worksheet's data. The value I am trying to compare is
the open balance by matching the invoice numbers. The vlookup formula returns
#N/A for every instance unless I manually type in the invoice number in the
worksheet that was downloaded from the web. When I manually type the invoice
number in, it returns the correct value. I have formatted the invoice number
in both worksheets as Number, but it still doesn't help unless I manually
type the invoice number.

My formula is =VLOOKUP(C2,'Sable open items'!F:J,5,FALSE).

Thanks