Platform SDK: MAPI

Finding Header Information

Each Reference topic includes a Quick Info table that names the MAPI header file where the API element is defined. The MAPI header files that are commonly used by developers include:

Header file Description of contents
MAPI.H Definitions of structures, constants, and error values for Simple MAPI
MAPICODE.H Definitions of status codes for error values
MAPIDBG.H Definitions of macros for debugging
MAPIDEFS.H Definitions of commonly used event types, property types, flags, structures, interfaces
MAPIFORM.H Definitions of forms elements
MAPIGUID.H Definitions of GUIDs
MAPISPI.H Definitions of flags and interfaces implemented by MAPI for service providers and message services
MAPITAGS.H Definitions of property tags
MAPIUTIL.H Definitions of utility interfaces and functions
MAPIVAL.H Definitions of validation macros
MAPIX.H Definitions of flags and interfaces implemented by MAPI for clients