How can we reduce font size of entire reports( i have 1000s of reports) from configuration or by JS

We have migrated our erp from dot net framework 2.0 to framework 4.5. with this our crystal reports also referring to new Cr version CRforVS_redist_install_32bit_13_0_13. unfortunately the font size for entire reports are seems to be large this makes data overlapping in many reports.Is there any better and easier way to reduce the font size to 1 point through configuration?Please help