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
Registry Hive | HKEY_LOCAL_MACHINE |
Registry Path | SOFTWARE\Policies\Microsoft\Windows\Windows Search |
Value Name | RichAttachmentPreviews |
Value Type | REG_SZ |
Default Value |