diff --git a/AutoDuck/pywin32.mak b/AutoDuck/pywin32.mak
index 7245cfb2e..b6dd33464 100644
--- a/AutoDuck/pywin32.mak
+++ b/AutoDuck/pywin32.mak
@@ -82,7 +82,6 @@ WIN32COM_SOURCE = \
 	  $(GENDIR)\PyIProfAdmin.d \
 	  $(GENDIR)\PyIProfSect.d \
 	  $(GENDIR)\exchange.d \
-	  $(GENDIR)\exchdapi.d \
 	  $(ADSI_DIR)\src\*.cpp \
 	  $(GENDIR)\adsi.d \
 	  $(GENDIR)\PyIADsContainer.d \
@@ -231,10 +230,6 @@ $(GENDIR)\PyIProfSect.d: $(MAPI_DIR)/src/$(*B).i
 $(GENDIR)\exchange.d: $(MAPI_DIR)/src/$(*B).i
 	$(PYTHON) makedfromi.py -o$*.d $(MAPI_DIR)/src/$(*B).i
 
-# Exchange stuff.
-$(GENDIR)\exchdapi.d: $(MAPI_DIR)/src/$(*B).i
-	$(PYTHON) makedfromi.py -o$*.d $(MAPI_DIR)/src/$(*B).i
-
 # ADSI
 $(GENDIR)\adsi.d: $(ADSI_DIR)/src/$(*B).i
 	$(PYTHON) makedfromi.py -o$*.d $(ADSI_DIR)/src/$(*B).i
diff --git a/com/win32comext/mapi/__init__.py b/com/win32comext/mapi/__init__.py
index d15a79e1f..181ae1c5c 100644
--- a/com/win32comext/mapi/__init__.py
+++ b/com/win32comext/mapi/__init__.py
@@ -14,12 +14,6 @@
         sys.modules["win32com.mapi.exchange"] = exchange
     except ImportError:
         pass
-    try:
-        import exchdapi
-
-        sys.modules["win32com.mapi.exchdapi"] = exchdapi
-    except ImportError:
-        pass
 else:
     import win32com
 
diff --git a/com/win32comext/mapi/src/exchange.i b/com/win32comext/mapi/src/exchange.i
index a70523c97..19362694f 100644
--- a/com/win32comext/mapi/src/exchange.i
+++ b/com/win32comext/mapi/src/exchange.i
@@ -1,4 +1,4 @@
-/* File : exchdapi.i */
+/* File : exchange.i */
 
 /*
    This is designed to be an interface to the Exchange specific
diff --git a/com/win32comext/mapi/src/exchdapi.i b/com/win32comext/mapi/src/exchdapi.i
deleted file mode 100644
index 6f7960de8..000000000
--- a/com/win32comext/mapi/src/exchdapi.i
+++ /dev/null
@@ -1,264 +0,0 @@
-/* File : exchdapi.i */
-
-%module exchdapi // An COM interface to Exchange's DAPI
-
-//%{
-//#define UNICODE
-//%}
-
-
-%include "typemaps.i"
-%include "pywin32.i"
-%include "pythoncom.i"
-%include "mapilib.i"
-
-%{
-
-#include "PythonCOMServer.h"
-#include "PythonCOMRegister.h"
-
-#include <mapiutil.h>
-#include "EDKMDB.H"
-#include "EDKMAPI.H"
-#include "EDKCFG.H"
-#include "EXCHINST.H"
-#include "EDKUTILS.H"
-// see exchange.i - the stand-alone exchange SDK seems to be
-// missing lots of functions
-#if defined(EXCHANGE_RE)
-#	define DAPI_FUNCTIONS_MISSING
-#endif
-
-%}
-
-// @pyswig |HrInstallService|
-%{
-HRESULT MyHrInstallService(
-	TCHAR *lpszServer,
-	TCHAR *lpszSiteDN,
-	TCHAR *pszServiceDisplayName,
-	TCHAR *lpszServiceName,
-	TCHAR *lpszCommonName,
-	TCHAR *lpszObjectGuid,
-	TCHAR *lpszProductGuid,
-	TCHAR *lpszExeName,
-	TCHAR *lpszDependencies,
-	TCHAR *lpszAccount,
-	TCHAR *lpszPassword
-)
-{
-#if defined(DAPI_FUNCTIONS_MISSING)
-	PyErr_Warn(PyExc_RuntimeWarning, "Not available with this version of the Exchange SDK");
-	return E_NOTIMPL;
-#else
-	return HrInstallService(lpszServer, lpszSiteDN, pszServiceDisplayName,
-	                        lpszServiceName, lpszCommonName, lpszObjectGuid,
-	                        lpszProductGuid, lpszExeName, lpszDependencies,
-	                        lpszAccount, lpszPassword);
-#endif
-}
-%}
-
-%name(HrInstallService) HRESULT MyHrInstallService(
-	TCHAR *INPUT, // lpszServer
-	TCHAR *INPUT, // lpszSiteDN
-	TCHAR *INPUT, // lpszServiceDisplayName
-	TCHAR *INPUT, // lpszServiceName
-	TCHAR *INPUT, // lpszCommonName
-	TCHAR *INPUT, // lpszObjectGuid
-	TCHAR *INPUT, // lpszProductGuid
-	TCHAR *INPUT, // lpszExeName
-	TCHAR *INPUT_NULLOK, // lpszDependencies
-	TCHAR *INPUT, // lpszAccount
-	TCHAR *INPUT_NULLOK // lpszPassword
-);
-
-
-// @pyswig |HrInstallMailboxAgent|
-%{
-HRESULT MyHrInstallMailboxAgent(
-	TCHAR *Server,
-	TCHAR *SiteDN,
-	TCHAR *DisplayName,
-	TCHAR *RDN,
-	TCHAR *lpszExtensionName,
-	TCHAR *lpszExtensionData,
-	TCHAR *lpszAccountName)
-{
-#if defined(DAPI_FUNCTIONS_MISSING)
-	PyErr_Warn(PyExc_RuntimeWarning, "Not available with this version of the Exchange SDK");
-	return E_NOTIMPL;
-#else
-	return HrInstallMailboxAgent(Server, SiteDN, DisplayName, RDN,
-	                               lpszExtensionName, lpszExtensionData,
-	                               lpszAccountName);
-#endif
-}
-%}
-%name(HrInstallMailboxAgent) HRESULT MyHrInstallMailboxAgent(
-	TCHAR *INPUT, // Server
-	TCHAR *INPUT, // SiteDN
-	TCHAR *INPUT, // DisplayName
-	TCHAR *INPUT, // RDN
-	TCHAR *INPUT_NULLOK, // lpszExtensionName
-	TCHAR *INPUT_NULLOK, // lpszExtensionData
-	TCHAR *INPUT_NULLOK // lpszAccountName
-);
-
-// @pyswig |HrCreateMailboxAgentProfile|
-HRESULT HrCreateMailboxAgentProfile(
-	char *INPUT, // @pyparm string|serviceName||The name of the service.
-	char *INPUT // @pyparm string|profile||The profile.
-);
-
-// @pyswig |HrCreateGatewayProfile|
-HRESULT HrCreateGatewayProfile(
-	char *INPUT, // @pyparm string|serviceName||The name of the service.
-	char *INPUT // @pyparm string|profile||The profile.
-);
-
-
-// @pyswig |HrMailboxAgentExists|
-%{
-HRESULT MyHrMailboxAgentExists(
-	TCHAR *server,
-	TCHAR *siteDN,
-	TCHAR *rdn)
-{
-#if defined(DAPI_FUNCTIONS_MISSING)
-	PyErr_Warn(PyExc_RuntimeWarning, "Not available with this version of the Exchange SDK");
-	return E_NOTIMPL;
-#else
-	return HrMailboxAgentExists(server, siteDN, rdn);
-#endif
-}
-%}
-
-%name(HrMailboxAgentExists) HRESULT MyHrMailboxAgentExists(
-	TCHAR *INPUT, // @pyparm string|server||The name of the server
-	TCHAR *INPUT, // @pyparm string|siteDN||Contains the distinguished name (DN) of the site.
-	TCHAR *INPUT // @pyparm string|rdn||RDN of the site where the mailbox agent might exist.
-);
-
-
-// @pyswig |HrAdminProgramExists|
-HRESULT HrAdminProgramExists();
-
-// @pyswig |HrRemoveMailboxAgent|Removes a Mailbox Agent
-%{
-HRESULT MyHrRemoveMailboxAgent(
-	TCHAR *server,
-	TCHAR *siteDN,
-	TCHAR *rdn)
-{
-#if defined(DAPI_FUNCTIONS_MISSING)
-	PyErr_Warn(PyExc_RuntimeWarning, "Not available with this version of the Exchange SDK");
-	return E_NOTIMPL;
-#else
-	return HrRemoveMailboxAgent(server, siteDN, rdn);
-#endif
-}
-%}
-
-%name(HrRemoveMailboxAgent) HRESULT MyHrRemoveMailboxAgent(
-	TCHAR *INPUT, // @pyparm string|server||The name of the server
-	TCHAR *INPUT, // @pyparm string|siteDN||Contains the distinguished name (DN) of the site.
-	TCHAR *INPUT // @pyparm string|rdn||RDN of the site where the mailbox agent exists.
-);
-
-// @pyswig |HrRemoveProfile|Removes a profile
-HRESULT HrRemoveProfile(
-	char *INPUT // @pyparm string|profile||The profile to delete.
-);
-
-// @pyswig [string, ...]|HrEnumOrganizations|Lists the names of the organizations on the server.
-%{
-HRESULT MyHrEnumOrganizations(
-	TCHAR *p1,
-	TCHAR *p2,
-	TCHAR **out)
-{
-#if defined(DAPI_FUNCTIONS_MISSING)
-	PyErr_Warn(PyExc_RuntimeWarning, "Not available with this version of the Exchange SDK");
-	return E_NOTIMPL;
-#else
-	return HrEnumOrganizations(p1, p2, out);
-#endif
-}
-%}
-%name(HrEnumOrganizations) HRESULT MyHrEnumOrganizations(
-	TCHAR *INPUT_NULLOK, // @pyparm string|rootDN||Contains the distinguished name (DN) of the directory information tree (DIT) root.
-	TCHAR *INPUT_NULLOK, // @pyparm string|server||The name of the server
-	TCHAR **OUTPUT_ARRAY // lppszOrganizations
-);
-
-// @pyswig [string, ...]|HrEnumSites|Lists the names of the sites in an organization.
-%{
-HRESULT MyHrEnumSites(
-	TCHAR *p1,
-	TCHAR *p2,
-	TCHAR **out)
-{
-#if defined(DAPI_FUNCTIONS_MISSING)
-	PyErr_Warn(PyExc_RuntimeWarning, "Not available with this version of the Exchange SDK");
-	return E_NOTIMPL;
-#else
-	return HrEnumSites(p1, p2, out);
-#endif
-}
-%}
-%name(HrEnumSites) HRESULT MyHrEnumSites(
-	TCHAR *INPUT_NULLOK, // @pyparm string|server||The name of the server
-	TCHAR *INPUT_NULLOK, // @pyparm string|organizationDN||Contains the distinguished name (DN) of the organization.
-	TCHAR **OUTPUT_ARRAY // lppszSites
-);
-
-// @pyswig [string, ...]|HrEnumContainers|Lists the names of the containers on the server
-%{
-HRESULT MyHrEnumContainers(
-	TCHAR *p1,
-	TCHAR *p2,
-	BOOL b,
-	TCHAR **out)
-{
-#if defined(DAPI_FUNCTIONS_MISSING)
-	PyErr_Warn(PyExc_RuntimeWarning, "Not available with this version of the Exchange SDK");
-	return E_NOTIMPL;
-#else
-	return HrEnumContainers(p1, p2, b, out);
-#endif
-}
-%}
-%name(HrEnumContainers) HRESULT MyHrEnumContainers(
-	TCHAR *INPUT_NULLOK, // @pyparm string|server||The name of the server
-	TCHAR *INPUT, // @pyparm string|siteDN||Distinguished name (DN) of the site.
-	BOOL fSubtree, // @pyparm int|fSubtree||
-	TCHAR **OUTPUT_ARRAY // lppszContainers
-);
-
-// @pyswig [string, ...]|HrEnumSiteAdmins|Lists the administrators for a site.
-%{
-HRESULT MyHrEnumSiteAdmins(
-	TCHAR *p1,
-	TCHAR *p2,
-	TCHAR **out)
-{
-#if defined(DAPI_FUNCTIONS_MISSING)
-	PyErr_Warn(PyExc_RuntimeWarning, "Not available with this version of the Exchange SDK");
-	return E_NOTIMPL;
-#else
-	return HrEnumSiteAdmins(p1, p2, out);
-#endif
-}
-%}
-%name(HrEnumSiteAdmins) HRESULT MyHrEnumSiteAdmins(
-	TCHAR *INPUT, // @pyparm string|server||The name of the server
-	TCHAR *INPUT, // @pyparm string|siteDN||Distinguished name (DN) of the site.
-	TCHAR **OUTPUT_ARRAY // lppszAdmins
-);
-
-// @pyswig string|HrGetServiceAccountName|Obtains the account name for a service.
-HRESULT HrGetServiceAccountName(
-	char *INPUT, // @pyparm string|serviceName||The name of the service
-	char **OUTPUT_MAPI // @pyparm string|serviceName||The name of the service
-);
diff --git a/mypy.ini b/mypy.ini
index a93198a2f..962e9a6cc 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -45,7 +45,7 @@ exclude = (?x)(
           )
 
 ; C-modules that will need type-stubs
-[mypy-adsi.*,dde,exchange,exchdapi,mapi,perfmon,servicemanager,win32api,win32console,win32clipboard,win32comext.adsi.adsi,win32event,win32evtlog,win32file,win32gui,win32help,win32pdh,win32process,win32ras,win32security,win32service,win32trace,win32ui,win32uiole,win32wnet,_win32sysloader,_winxptheme]
+[mypy-adsi.*,dde,exchange,mapi,perfmon,servicemanager,win32api,win32console,win32clipboard,win32comext.adsi.adsi,win32event,win32evtlog,win32file,win32gui,win32help,win32pdh,win32process,win32ras,win32security,win32service,win32trace,win32ui,win32uiole,win32wnet,_win32sysloader,_winxptheme]
 ignore_missing_imports = True
 
 ; verstamp is installed from win32verstamp.py called in setup.py
diff --git a/setup.py b/setup.py
index 6ce1ed77d..a16232271 100644
--- a/setup.py
+++ b/setup.py
@@ -319,8 +319,8 @@ def __init__(self, name, **kw):
         WinExt_win32com.__init__(self, name, **kw)
 
     def get_pywin32_dir(self):
-        # 'win32com.mapi.exchange' and 'win32com.mapi.exchdapi' currently only
-        # ones with this special requirement
+        # 'win32com.mapi.exchange' is currently the only
+        # one with this special requirement
         return "win32comext/mapi"
 
 
@@ -387,14 +387,7 @@ def finalize_options(self):
         self.swig_cpp = True  # hrm - deprecated - should use swig_opts=-c++??
 
     def _why_cant_build_extension(self, ext):
-        # Return None, or a reason it can't be built.
-        # Exclude exchange 32-bit utility libraries from 64-bit
-        # builds. Note that the exchange module now builds, but only
-        # includes interfaces for 64-bit builds.
-        if self.plat_name in ["win-amd64", "win-arm64"] and ext.name == "exchdapi":
-            return "No 64-bit library for utility functions available."
-        if ext.name == "exchdapi":
-            return "Haven't worked out how to build on vs2015"
+        """Return None, or a reason it can't be built."""
         # axdebug fails to build on 3.11 due to Python "frame" objects changing.
         # This could be fixed, but is almost certainly not in use any more, so
         # just skip it.
@@ -1625,20 +1618,6 @@ def finalize_options(self):
             )
         ).split(),
     ),
-    WinExt_win32com_mapi(
-        "exchdapi",
-        libraries="advapi32",
-        include_dirs=["{mapi}/mapi_headers".format(**dirs)],
-        sources=(
-            """
-                                  {mapi}/exchdapi.i         {mapi}/exchdapi.cpp
-                                  {mapi}/mapi_stub_library/MapiStubLibrary.cpp
-                                  {mapi}/mapi_stub_library/StubUtils.cpp
-                                  """.format(
-                **dirs
-            )
-        ).split(),
-    ),
     WinExt_win32com(
         "shell",
         libraries="shell32",
@@ -2068,9 +2047,7 @@ def finalize_options(self):
     "PyIProfAdmin": "",
     "PyIProfSect": "IMAPIProp",
     "PyIConverterSession": "",
-    # exchange and exchdapi
-    "exchange": None,
-    "exchdapi": None,
+    "exchange": None,  # mapi module
     "PyIExchangeManageStore": "",
     "PyIExchangeManageStoreEx": "",
     # ADSI
@@ -2376,7 +2353,7 @@ def maybe_fixup_exes():
     # Print the list of extension modules we skipped building.
     excluded_extensions = dist.command_obj["build_ext"].excluded_extensions
     if excluded_extensions:
-        skip_whitelist = {"exchdapi", "exchange", "axdebug"}
+        skip_whitelist = {"exchange", "axdebug"}
         skipped_ex = []
         print("*** NOTE: The following extensions were NOT %s:" % what_string)
         for ext, why in excluded_extensions: