Here is a list of all namespaces with brief descriptions:

[detail level 12]

N_com_util
N_STLP_STD_NAME
NAccessibility
Nanonymous_namespace{activex.cpp}
Nanonymous_namespace{iconcache.cpp}
Nanonymous_namespace{mstscax.cpp}
Nanonymous_namespace{resolve_name.cpp}
Nanonymous_namespace{settingsdlg.cpp}
▼NATL
N_CSTRING_IMPL_
NATLLib
NBackgroundCopyManager
NBackgroundCopyManager2_0
NBackgroundCopyManager2_5
NCommonControlObjects
NDevTopologyLib
Nfont
Nfoo
NHHCTRLLib
NIHost
NIWshRuntimeLibrary
NJSGlobal
▼Nkjk
Ndetails
NMIMEOLE
NMMDeviceAPILib
NMSHTML
NMSHTMLTest
NMSINKAUTLib
NMSTSCLib
NMSTSCLib_Redist
NMSXML
NMSXML2
NMultiLanguage
NNetFwPublicTypeLib
NNS1
NPropSysObjects
NPSISLOADLib
NPSTORECLib
NQuartzTypeLib
Nregister_test
NScripting
NSHDocVw
NShell32
NShellObjects
Nstd
▼Nstdole
NStdFunctions
NStdType
NTaskScheduler
▼NTestTypelib
NBadEntry
NBadModule
NThis
Ntinyxml2
Ntmdump
Ntom
NTunerLib
NTVRATINGSLib
NVBScript_Global
NVBScript_RegExp_10
NVBScript_RegExp_55
NWbemProviders_v1
NWbemScripting
NWindowsInstaller
NWinHttp
NWMDRMContentEnablerLib
NWUApiLib
NXMLPSR
NXMLStorage