MAPISp32.exe
(Microsoft)
Microsoft Windows Messaging Subsystem Spooling Application, often referred to as the MAPI Spooler (Mail Application Programming Interface). The MAPI spooler sends the messages that are waiting for despatch in your Microsoft Exchange, Windows Messaging, or Outlook 97/98 outbox.
Recommendation :
MAPISP32 is an essential component of Microsoft Exchange, Windows Messaging, or Outlook 97 or 98. It is not used by Outlook 2000 or later versions. MAPISP32 will sometimes get stuck and there are many causes and solutions to the problem. Contact us if you have problems with MAPISP32.