Control rich previews for attachments

Enabling this policy defines a semicolon-delimited list of file extensions which will be allowed to have rich attachment previews. When this policy is disabled or not configured the default settings will be set to . bmp;. emf;. gif;. jpg;. jpeg;. png;. wmf;. wrn;. txt;. err;. xml;. cpp;. c;. h;. cxx;. hxx;. idl;. cs;. vb;. idl;. xsd;. doc;. docx;. xls;. xlsx;. ppt;. pptx;. vsd;. xlsb;. xltx;. dot;. rtf

Additional Information

  1. Registry path is:

    HKEY_LOCAL_MACHINE -> SOFTWARE -> Policies -> Microsoft -> Windows -> Windows Search # RichAttachmentPreviews

  2. The Administrative Template path is:

    Windows Components -> Search


* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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