Microsoft Corporation File Extensions: A Complete Guide

File	Description
.restorelist	Microsoft Windows file system permission
.1092	Microsoft Windows data
.2gr	Windows VGA graphic drivers
.32s	Win32s data
.h1f	Microsoft Windows Assistance Platform client help file
.~bt	Microsoft Windows update directory
.ov1	Overlay file
.hxi	Microsoft Help compiled storage file
.fgdump-log	Microsoft Windows fgdump data
.ov4	Overlay data
.h1v	Task metadata file - Microsoft Windows Assistance Platform client help related file
.sf0	Microsoft Windows sytem file check data
.msdm	Microsoft Windows system data
.3~6	Microsoft Windows 3.x system data
.migtable	Microsoft Windows file
._vti_bin	SharePoint data
.muimanifest	Microsoft Windows multilingual user interface data
.ov5	Overlay file
.ov3	Overlay file
.b~k	Microsoft Windows 3.x data
.cachedump	Microsoft Windows file
.wimp	Microsoft Windows icon palette
.frag	Microsoft XPS document fragment
.kfl	Microsoft Outlook RSS feed list