Following discussion with Sunder Raman on Disqus about Mac Outlook 2011 Hangs since El Capitan update.

Sampling process 498 for 3 seconds with 1 millisecond of run time between samples
Sampling completed, processing symbols...
Analysis of sampling Microsoft Outlook (pid 498) every 1 millisecond
Process:         Microsoft Outlook [498]
Path:            /Applications/Microsoft Office 2011/Microsoft Outlook.app/Contents/MacOS/Microsoft Outlook
Load Address:    0x4e000
Identifier:      com.microsoft.Outlook
Version:         14.5.6 (14.5.6)
Build Info:      Unknown-150916~0
Code Type:       X86
Parent Process:  ??? [1]

Date/Time:       2015-10-12 09:29:16.530 +0200
Launch Time:     2015-10-12 09:27:41.992 +0200
OS Version:      Mac OS X 10.11 (15A284)
Report Version:  7
Analysis Tool:   /usr/bin/sample
----

Call graph:
    2560 Thread_55409   DispatchQueue_1: com.apple.main-thread  (serial)
    + 2560 CSharablePtr<CNetHostOption>::Set(CNetHostOption*)  (in Microsoft Outlook) + 480  [0x521ce]
    +   2560 NSApplicationMain  (in AppKit) + 1630  [0x98b0c8c4]
    +     2560 -[NSApplication run]  (in AppKit) + 1063  [0x98b4623b]
    +       2560 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]  (in AppKit) + 121  [0x98b52ac7]
    +         2560 -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:]  (in AppKit) + 1057  [0x98b52ef0]
    +           2560 _DPSNextEvent  (in AppKit) + 1053  [0x98b53976]
    +             2560 _BlockUntilNextEventMatchingListInModeWithFilter  (in HIToolbox) + 99  [0x90e54314]
    +               2560 ReceiveNextEventCommon  (in HIToolbox) + 503  [0x90e5451b]
    +                 2560 RunCurrentEventLoopInMode  (in HIToolbox) + 267  [0x90e54719]
    +                   2560 CFRunLoopRunInMode  (in CoreFoundation) + 123  [0x9afa2aab]
    +                     2560 CFRunLoopRunSpecific  (in CoreFoundation) + 390  [0x9afa2c46]
    +                       2560 __CFRunLoopRun  (in CoreFoundation) + 2113  [0x9afa36f1]
    +                         2560 __CFRunLoopDoTimers  (in CoreFoundation) + 349  [0x9afac7fd]
    +                           2560 __CFRunLoopDoTimer  (in CoreFoundation) + 1250  [0x9afacd72]
    +                             2560 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__  (in CoreFoundation) + 22  [0x9afad2c6]
    +                               2560 __NSFireTimer  (in Foundation) + 117  [0x949d954e]
    +                                 2560 long OPF::GetProperty<OpaqueMessageHistoryItem, short>(OpaqueContext*, OpaqueMessageHistoryItem const*, PropertyAccessor<short, OPF::Traits<OpaqueMessageHistoryItem>::SharableType>::ReturnProp, char const*, short*)  (in Microsoft Outlook) + 20110  [0xc1b5d]
    +                                   2560 LThread::Yield(LThread const*)  (in PowerPlantCore) + 57  [0x28f93ff]
    +                                     2560 YieldToAnyThread  (in CarbonCore) + 18  [0x9a229c34]
    +                                       2560 YieldToThread  (in CarbonCore) + 429  [0x9a2299e7]
    +                                         2560 mach_msg  (in libsystem_kernel.dylib) + 68  [0x9ae8c464]
    +                                           2560 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x9ae8d07a]
    2560 Thread_55447   DispatchQueue_2: com.apple.libdispatch-manager  (serial)
    + 2560 _dispatch_mgr_thread  (in libdispatch.dylib) + 52  [0x9733240a]
    +   2560 _dispatch_mgr_invoke  (in libdispatch.dylib) + 234  [0x97332836]
    +     2560 kevent_qos  (in libsystem_kernel.dylib) + 10  [0x9ae948b2]
    2560 Thread_55566
    + 2560 thread_start  (in libsystem_pthread.dylib) + 34  [0x970d5fa6]
    +   2560 _pthread_start  (in libsystem_pthread.dylib) + 155  [0x970d870a]
    +     2560 _pthread_body  (in libsystem_pthread.dylib) + 138  [0x970d8794]
    +       2560 MerpCreateSession  (in merp) + 5819  [0x28e050e]
    +         2558 mach_msg  (in libsystem_kernel.dylib) + 68  [0x9ae8c464]
    +         ! 2558 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x9ae8d07a]
    +         2 mach_msg  (in libsystem_kernel.dylib) + 78  [0x9ae8c46e]
    2560 Thread_55580: com.apple.NSEventThread
    + 2560 thread_start  (in libsystem_pthread.dylib) + 34  [0x970d5fa6]
    +   2560 _pthread_start  (in libsystem_pthread.dylib) + 155  [0x970d870a]
    +     2560 _pthread_body  (in libsystem_pthread.dylib) + 138  [0x970d8794]
    +       2560 _NSEventThread  (in AppKit) + 291  [0x98cbb1c2]
    +         2560 CFRunLoopRunInMode  (in CoreFoundation) + 123  [0x9afa2aab]
    +           2560 CFRunLoopRunSpecific  (in CoreFoundation) + 390  [0x9afa2c46]
    +             2560 __CFRunLoopRun  (in CoreFoundation) + 1521  [0x9afa34a1]
    +               2560 __CFRunLoopServiceMachPort  (in CoreFoundation) + 214  [0x9afa4096]
    +                 2560 mach_msg  (in libsystem_kernel.dylib) + 68  [0x9ae8c464]
    +                   2560 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x9ae8d07a]
    2560 Thread_55880: CVDisplayLink
    + 2560 thread_start  (in libsystem_pthread.dylib) + 34  [0x970d5fa6]
    +   2560 _pthread_start  (in libsystem_pthread.dylib) + 155  [0x970d870a]
    +     2560 _pthr
0x