There's a list of paper sizes in VP help for PRTINFO( )
See also https://msdn.microsoft.com/en-us/library/windows/desktop/dd319099%28v=vs.85%29.aspx

There's no magical paper size that will automatically scale

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>do we have a list what papersize values are valid?
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>I have a strange co-developer that claims that a setting of 9 will scale a report according to the papersize of the printer? So that a DIN A4 will scale to Letter?
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>Do you confirm that I need to have two reports to nicely fitt both formats?
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>Lutz