Microsoft has deprecated the Encapsulated PostScript (EPS) image filter as of the April 2017 Product Update, due to security vulnerabilities in EPS files that can be exploited via the EPS filter. The KB article https://support.microsoft.com/en-us/help/2479871 contains more information and instructions to re-enable the filter, if necessary.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]

Thanks for the reply!

I am running a 64bit PC, but in the reg I can only get as far as:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\ Office\Common

and the key to mod is:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\ Office\Common\Security\AllowLists\GraphicsFilterIm port

Is it OK to add the rest of this myself, or would that cause an issue?

Let's hope they update the filter soon …

More helpful security 'updates' from Microsoft which involve blocking features rather than solving the underlying problem I can live without I think.