COMO SABER SE O OUTLOOK ESTA CARREGADO

 If IsRunning("outlook.exe") Then
    MsgBox "Outlook esta carregado!"
Else
    MsgBox "Outlook não esta carregado!"
End If

Option Explicit

Public Const TH32CS_SNAPPROCESS As Long = 2&
Public Const MAX_PATH As Long = 260

Public Type PROCESSENTRY32
    dwSize As Long
    cntUsage As Long
    th32ProcessID As Long
    th32DefaultHeapID As Long
    th32ModuleID As Long
    cntThreads As Long
    th32ParentProcessID As Long
    pcPriClassBase As Long
    dwFlags As Long
    szExeFile As String * MAX_PATH
End Type

Public Const PROCESS_ALL_ACCESS As Long = &H1F0FFF

Public Declare Function CreateToolhelp32Snapshot Lib "kernel32" _
   (ByVal lFlags As Long, ByVal lProcessID As Long) As Long
Public Declare Function ProcessFirst Lib "kernel32" _
    Alias "Process32First" _
   (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Public Declare Function ProcessNext Lib "kernel32" _
    Alias "Process32Next" _
   (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Public Declare Function OpenProcess Lib "kernel32" _
   (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, _
    ByVal dwProcessId As Long) As Long
Public Declare Function TerminateProcess Lib "kernel32" _
   (ByVal hProcess As Long, ByVal uExitCode As Long) As Long
Public Declare Sub CloseHandle Lib "kernel32" _
   (ByVal hPass As Long)

Public Function IsRunning(EXEName As String) As Boolean

   Dim hSnapShot  As Long
   Dim uProcess   As PROCESSENTRY32
   Dim hProcess   As Long

   IsRunning = False
   hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0&)
   If hSnapShot = -1 Then Exit Function

   uProcess.dwSize = Len(uProcess)
   If ProcessFirst(hSnapShot, uProcess) = 1 Then
      Do
         If LCase$(Left$(uProcess.szExeFile, InStr(1, uProcess.szExeFile, vbNullChar) - 1)) = LCase$(EXEName) Then
            IsRunning = True
            Exit Do
         End If
      Loop While ProcessNext(hSnapShot, uProcess)
   End If

   Call CloseHandle(hSnapShot)

End Function