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

Policy path: 

Windows Components\Search

Scope: 

Machine

Supported on: 

Microsoft Windows XP or Windows Server 2003 with Windows Search version 3.01 or later

Registry settings: 

HKLM\SOFTWARE\Policies\Microsoft\Windows\Windows Search!RichAttachmentPreviews

Filename: 

Search.admx

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