Microsoft File Extensions: A Complete Guide

File	Description
.spdesignpiclib	SharePoint Designer file
.spdesigntheme	SharePoint Designer theme file
.xweb4linkbar	Microsoft Expression Web file
.exprwdsurvey	Microsoft Expression Web file
.xweb4unknown	Microsoft Expression Web file
.xweb3html	Microsoft Expression Web HTML file
.xweb3homeop	Microsoft Expression Web file
.xweb3shtm	Microsoft Expression Web file
.xweb3open	Microsoft Expression Web file
.xweb3nopub	Microsoft Expression Web data
.exprwdhomepg	Microsoft Expression Web data
.exprwdnav	Microsoft Expression Web file
.exprwdasax	Microsoft Expression Web file
.exprwdshtml	Microsoft Expression Web file
.exprwdstm	Microsoft Expression Web file
.xweb4wfdoclib	Microsoft Expression Web file
.xweb3theme	Microsoft Expression Web file
.exprwddoclib	Microsoft Expression Web file
.exprwdlist	Microsoft Expression Web web package list
.exprwdpiclib	Microsoft Expression Web file
.xweb4homepg	Microsoft Expression Web file
.exprwdmaster	Microsoft Expression Web file
.fplinkbar	Microsoft FrontPage file
.exprwdskin	Microsoft Expression Web file