Paul

The issue is not in the Word document itself but in the image quality after doing a SaveAs to PDF. In earlier versions of Word we could get good image quality from a SaveAs to PDF so this problem is a recent thing.

Making the image bigger reduces its pixel density (reduces the dots per inch) so if you made it big enough (DPI is less than 200) then the resulting PDF might preserve all the pixels from the original.

In general, photographs at 200dpi is adequate for both screen and print, however if your documents have computer graphics with small text or line art on high contrast backgrounds then 200dpi is not good enough.

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Andrew Lockton
Chrysalis Design, Melbourne Australia