>>Rob, EXPR is the field in myReport.FRX which contains the expression you specify for the report control you place onto report.
>>
>>REPLACE ALL EXPR WITH MyNewExpression FOR objtype = 8
>>will replace the expression for all report fields with myNewExpression
>>
>>REPLACE ALL EXPR WITH '"'+'My new text for all labels'+'"' FOR objtype = 5
>>will change all labels text.
>>
>>The first record of the report file contains the report options in EXPR field like:
>>ORIENTATION=1
>>PAPERSIZE=1
>>PAPERLENGTH=2794
>>PAPERWIDTH=2159
>>COPIES=1
>>etc.
>Hi Nick: The EXPR I want to change is the "Expression for a Field on Report"
>in the Expression Builder. I would like to run a REPLACE ALL. Do I need to
>know the OBJTYPE?

It goes into EXPR field in .FRX. Yes, you need to know OBJTYPE and for the report field
OBJTYPE = 8