I try to open PSD document.
I change docicon.xml like this " <Mapping Key="psd" Value="icpsd.gif"
EditText="Adobe Photoshop CE" OpenControl="SharePoint.OpenXMLDocuments"/>
" and I see proper icon image in sharepoint pages, but when I to try to edit
document, explorer prompt to open or save. how can I work with files other
than OFFICE documents.