A97M: Access 97, 2000, XP, 2003, 2007, and 2010 macros
HE: macro scripting
O97M: Office 97, 2000, XP, 2003, 2007, and 2010 macros - those that affect Word, Excel, and Powerpoint
OpenOM: OpenOffice macros
P98M: Project 98, 2000, XP, 2003, 2007, and 2010 macros
PP97M: PowerPoint 97, 2000, XP, 2003, 2007, and 2010 macros
V5M: Visio5 macros
W1M: Word1Macro
W2M: Word2Macro
W97M: Word 97, 2000, XP, 2003, 2007, and 2010 macros
WM: Word 95 macros
X97M: Excel 97, 2000, XP, 2003, 2007, and 2010 macros
XF: Excel formulas
XM: Excel 95 macros