Use format conditional formatting, formula is
Select the column with the values being totaled, assume
the first value is B2, do format>conditional formatting, select formula is

=ISNUMBER(FIND("Total",A2))

click the format button and select bold font and click OK twice

Dear all,

When I do a subtotal, I would like that the values that I sum stay
bold like the inicial data.

How can I do this?

Thanks.

André.