diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3751c3f..15fa628 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,8 +21,12 @@ include(FeatureSummary)
 include(KDEGitCommitHooks)
 include(ECMQtDeclareLoggingCategory)
 include(ECMAddTests)
+include(ECMAddQch)
 
 
+option(BUILD_QCH "Build API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)" OFF)
+add_feature_info(QCH ${BUILD_QCH} "API documentation in QCH format (for e.g. Qt Assistant, Qt Creator & KDevelop)")
+
 set(QT_REQUIRED_VERSION "5.15.2")
 
 set(MAILCOMMON_LIB_VERSION ${PIM_VERSION})
@@ -129,4 +133,15 @@ if(BUILD_TESTING)
 endif()
 kde_configure_git_pre_commit_hook(CHECKS CLANG_FORMAT)
 ki18n_install(po)
+
+if (BUILD_QCH)
+    ecm_install_qch_export(
+        TARGETS KF5MailCommon_QCH
+        FILE KF5MailCommonQchTargets.cmake
+        DESTINATION "${CMAKECONFIG_INSTALL_DIR}"
+        COMPONENT Devel
+    )
+    set(PACKAGE_INCLUDE_QCHTARGETS "include(\"\${CMAKE_CURRENT_LIST_DIR}/KF5MailCommonQchTargets.cmake\")")
+endif()
+
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e1a2692..fa5ffa1 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -526,4 +526,43 @@ if(BUILD_DESIGNERPLUGIN)
     add_subdirectory(designer)
 endif()
 
+if (BUILD_QCH)
+    ecm_add_qch(
+        KF5MailCommon_QCH
+        NAME KF5MailCommon
+        BASE_NAME KF5MailCommon
+        VERSION ${PIM_VERSION}
+        ORG_DOMAIN org.kde
+        SOURCES # using only public headers, to cover only public API
+            ${MailCommon_HEADERS}
+            ${MailCommon_top_HEADERS}
+            ${MailCommon_tag_HEADERS}
+            ${MailCommon_folder_HEADERS}
+            ${MailCommon_kernel_HEADERS}
+            ${MailCommon_interfaces_HEADERS}
+            ${MailCommon_filter_HEADERS}
+            ${MailCommon_job_HEADERS}
+            ${MailCommon_filteraction_HEADERS}
+            ${MailCommon_mdn_HEADERS}
+            ${MailCommon_collectionpage_HEADERS}
+            ${MailCommon_collectionpageattributes_HEADERS}
+            ${MailCommon_filterimporter_HEADERS}
+            ${MailCommon_snippets_HEADERS}
+            ${MailCommon_widgets_HEADERS}
+        #MD_MAINPAGE "${CMAKE_SOURCE_DIR}/README.md"
+        #IMAGE_DIRS "${CMAKE_SOURCE_DIR}/docs/pics"
+        LINK_QCHS
+            Qt5Core_QCH
+            Qt5Gui_QCH
+            Qt5Widgets_QCH
+        INCLUDE_DIRS
+            ${CMAKE_CURRENT_BINARY_DIR}
+        BLANK_MACROS
+            MAILCOMMON_EXPORT
+        TAGFILE_INSTALL_DESTINATION ${KDE_INSTALL_QTQCHDIR}
+        QCH_INSTALL_DESTINATION ${KDE_INSTALL_QTQCHDIR}
+        COMPONENT Devel
+    )
+endif()
+
 ecm_qt_install_logging_categories(EXPORT MAILCOMMON FILE mailcommon.categories DESTINATION ${KDE_INSTALL_LOGGINGCATEGORIESDIR})