diff --git a/.github/workflows/windows-build.yml b/.github/workflows/windows-build.yml
index f239386e4..9793b6b85 100644
--- a/.github/workflows/windows-build.yml
+++ b/.github/workflows/windows-build.yml
@@ -112,3 +112,39 @@ jobs:
           path: |
             rime-${{ env.git_ref_name }}-${{ runner.os }}.7z
             rime-deps-${{ env.git_ref_name }}-${{ runner.os }}.7z
+
+  build-mingw:
+    runs-on: windows-latest
+    defaults:
+      run:
+        shell: msys2 {0}
+
+    steps:
+      - name: Setup MSYS2
+        uses: msys2/setup-msys2@v2
+
+      - name: Checkout last commit
+        uses: actions/checkout@v3
+
+      - name: Install dependencies
+        run: |
+          pacman -S --noconfirm base-devel mingw-w64-x86_64-toolchain ninja \
+            mingw64/mingw-w64-x86_64-cmake \
+            mingw-w64-x86_64-boost \
+            mingw-w64-x86_64-glog \
+            mingw-w64-x86_64-gtest \
+            mingw-w64-x86_64-yaml-cpp \
+            mingw-w64-x86_64-leveldb \
+            mingw-w64-x86_64-marisa \
+            mingw-w64-x86_64-opencc
+
+      - name: Build with mingw-w64
+        run: |
+          cmake -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE:STRING=Release \
+            -DENABLE_LOGGING:BOOL=ON \
+            -DBUILD_TEST:BOOL=ON \
+            -DBUILD_STATIC:BOOL=ON \
+            -DBUILD_SHARED_LIBS:BOOL=ON
+          cmake --build build
+          cd build/test && cp ../lib/librime.dll . && ./rime_test
diff --git a/build-clang.bat b/build-clang.bat
index 10c7f1e2e..d2cc8fd04 100644
--- a/build-clang.bat
+++ b/build-clang.bat
@@ -125,7 +125,7 @@ if %build_deps% == 1 (
   echo building opencc.
   pushd deps\opencc
   cmake . %deps_cmake_flags%^
-    -DCMAKE_CXX_FLAGS:PATH="-I %RIME_ROOT%\include -L %RIME_ROOT%\lib"^
+    -DCMAKE_CXX_FLAGS:STRING="-I %RIME_ROOT%\include -L %RIME_ROOT%\lib"^
     -DUSE_SYSTEM_MARISA:BOOL=ON || exit
   cmake --build build || exit
   cmake --install build || exit
@@ -141,7 +141,6 @@ set rime_cmake_flags=%common_cmake_flags%^
 
 if %build_librime% == 1 (
   echo building librime.
-  echo %rime_cmake_flags%
   cmake . %rime_cmake_flags% || exit
   cmake --build build || exit
   cmake --install build || exit
diff --git a/src/rime/algo/encoder.h b/src/rime/algo/encoder.h
index 047f2fc87..00290fe48 100644
--- a/src/rime/algo/encoder.h
+++ b/src/rime/algo/encoder.h
@@ -63,16 +63,16 @@ struct TableEncodingRule {
 };
 
 // for rule-based phrase encoding
-class TableEncoder : public Encoder {
+class RIME_API TableEncoder : public Encoder {
  public:
-  RIME_API TableEncoder(PhraseCollector* collector = NULL);
+  TableEncoder(PhraseCollector* collector = NULL);
 
-  RIME_API bool LoadSettings(Config* config);
+  bool LoadSettings(Config* config);
 
-  RIME_API bool Encode(const RawCode& code, string* result);
-  RIME_API bool EncodePhrase(const string& phrase, const string& value);
+  bool Encode(const RawCode& code, string* result);
+  bool EncodePhrase(const string& phrase, const string& value);
 
-  RIME_API bool IsCodeExcluded(const string& code);
+  bool IsCodeExcluded(const string& code);
 
   bool loaded() const { return loaded_; }
   const vector<TableEncodingRule>& encoding_rules() const {
diff --git a/src/rime/composition.h b/src/rime/composition.h
index 8fe6a97e7..489da8a34 100644
--- a/src/rime/composition.h
+++ b/src/rime/composition.h
@@ -29,7 +29,7 @@ class Composition : public Segmentation {
   string GetPrompt() const;
   string GetCommitText() const;
   string GetScriptText() const;
-  string GetDebugText() const;
+  RIME_API string GetDebugText() const;
   // Returns text of the last segment before the given position.
   string GetTextBefore(size_t pos) const;
 };
diff --git a/src/rime/config/config_types.h b/src/rime/config/config_types.h
index 9278a7afd..809734cf0 100644
--- a/src/rime/config/config_types.h
+++ b/src/rime/config/config_types.h
@@ -36,9 +36,9 @@ class ConfigValue : public ConfigItem {
   ConfigValue() : ConfigItem(kScalar) {}
   RIME_API ConfigValue(bool value);
   RIME_API ConfigValue(int value);
-  ConfigValue(double value);
+  RIME_API ConfigValue(double value);
   RIME_API ConfigValue(const char* value);
-  ConfigValue(const string& value);
+  RIME_API ConfigValue(const string& value);
 
   // schalar value accessors
   bool GetBool(bool* value) const;
@@ -155,7 +155,7 @@ class ConfigItemRef {
   RIME_API bool Append(an<ConfigItem> item);
   RIME_API size_t size() const;
   // map
-  bool HasKey(const string& key) const;
+  RIME_API bool HasKey(const string& key) const;
 
   RIME_API bool modified() const;
   RIME_API void set_modified();
diff --git a/src/rime/context.h b/src/rime/context.h
index 58ea39aa5..988a5817d 100644
--- a/src/rime/context.h
+++ b/src/rime/context.h
@@ -28,11 +28,11 @@ class Context {
   Context() = default;
   ~Context() = default;
 
-  bool Commit();
+  RIME_API bool Commit();
   string GetCommitText() const;
   string GetScriptText() const;
   Preedit GetPreedit() const;
-  bool IsComposing() const;
+  RIME_API bool IsComposing() const;
   bool HasMenu() const;
   an<Candidate> GetSelectedCandidate() const;
 
diff --git a/src/rime/deployer.h b/src/rime/deployer.h
index 4d01d22e1..9045e1d66 100644
--- a/src/rime/deployer.h
+++ b/src/rime/deployer.h
@@ -43,8 +43,8 @@ class Deployer : public Messenger {
   string distribution_version;
   // }
 
-  Deployer();
-  ~Deployer();
+  RIME_API Deployer();
+  RIME_API ~Deployer();
 
   bool RunTask(const string& task_name,
                TaskInitializer arg = TaskInitializer());
diff --git a/src/rime/dict/corrector.h b/src/rime/dict/corrector.h
index 48f07183a..c5e31ef56 100644
--- a/src/rime/dict/corrector.h
+++ b/src/rime/dict/corrector.h
@@ -112,14 +112,14 @@ class EditDistanceCorrector : public Corrector, public Prism {
                                          corrector::Distance threshold);
 };
 
-class NearSearchCorrector : public Corrector {
+class RIME_API NearSearchCorrector : public Corrector {
  public:
   NearSearchCorrector() = default;
   ~NearSearchCorrector() override = default;
-  RIME_API void ToleranceSearch(const Prism& prism,
-                                const string& key,
-                                corrector::Corrections* results,
-                                size_t tolerance) override;
+  void ToleranceSearch(const Prism& prism,
+                       const string& key,
+                       corrector::Corrections* results,
+                       size_t tolerance) override;
 };
 
 template <class... Cs>
diff --git a/src/rime/dict/db.h b/src/rime/dict/db.h
index 6c0163b26..674414375 100644
--- a/src/rime/dict/db.h
+++ b/src/rime/dict/db.h
@@ -93,7 +93,7 @@ class Recoverable {
 
 class ResourceResolver;
 
-class DbComponentBase {
+class RIME_API DbComponentBase {
  public:
   DbComponentBase();
   virtual ~DbComponentBase();
diff --git a/src/rime/dict/dictionary.h b/src/rime/dict/dictionary.h
index 99dae4fce..cf0de9e47 100644
--- a/src/rime/dict/dictionary.h
+++ b/src/rime/dict/dictionary.h
@@ -23,9 +23,9 @@ struct QueryResult;
 
 }  // namespace dictionary
 
-class DictEntryIterator : public DictEntryFilterBinder {
+class RIME_API DictEntryIterator : public DictEntryFilterBinder {
  public:
-  RIME_API DictEntryIterator();
+  DictEntryIterator();
   virtual ~DictEntryIterator() = default;
   DictEntryIterator(const DictEntryIterator& other) = default;
   DictEntryIterator& operator=(const DictEntryIterator& other) = default;
@@ -34,11 +34,11 @@ class DictEntryIterator : public DictEntryFilterBinder {
 
   void AddChunk(dictionary::Chunk&& chunk);
   void Sort();
-  RIME_API void AddFilter(DictEntryFilter filter) override;
-  RIME_API an<DictEntry> Peek();
-  RIME_API bool Next();
+  void AddFilter(DictEntryFilter filter) override;
+  an<DictEntry> Peek();
+  bool Next();
   bool Skip(size_t num_entries);
-  RIME_API bool exhausted() const;
+  bool exhausted() const;
   size_t entry_count() const { return entry_count_; }
 
  protected:
diff --git a/src/rime/dict/level_db.cc b/src/rime/dict/level_db.cc
index b056d279b..4377fa82c 100644
--- a/src/rime/dict/level_db.cc
+++ b/src/rime/dict/level_db.cc
@@ -327,13 +327,13 @@ bool LevelDb::CommitTransaction() {
 }
 
 template <>
-string UserDbComponent<LevelDb>::extension() const {
+RIME_API string UserDbComponent<LevelDb>::extension() const {
   return ".userdb";
 }
 
 template <>
-UserDbWrapper<LevelDb>::UserDbWrapper(const string& file_name,
-                                      const string& db_name)
+RIME_API UserDbWrapper<LevelDb>::UserDbWrapper(const string& file_name,
+                                               const string& db_name)
     : LevelDb(file_name, db_name, "userdb") {}
 
 }  // namespace rime
diff --git a/src/rime/dict/text_db.h b/src/rime/dict/text_db.h
index a33068110..66d8701b1 100644
--- a/src/rime/dict/text_db.h
+++ b/src/rime/dict/text_db.h
@@ -46,18 +46,18 @@ class TextDb : public Db {
   RIME_API virtual ~TextDb();
 
   RIME_API virtual bool Open();
-  virtual bool OpenReadOnly();
+  RIME_API virtual bool OpenReadOnly();
   RIME_API virtual bool Close();
 
-  virtual bool Backup(const string& snapshot_file);
-  virtual bool Restore(const string& snapshot_file);
+  RIME_API virtual bool Backup(const string& snapshot_file);
+  RIME_API virtual bool Restore(const string& snapshot_file);
 
-  virtual bool CreateMetadata();
-  virtual bool MetaFetch(const string& key, string* value);
-  virtual bool MetaUpdate(const string& key, const string& value);
+  RIME_API virtual bool CreateMetadata();
+  RIME_API virtual bool MetaFetch(const string& key, string* value);
+  RIME_API virtual bool MetaUpdate(const string& key, const string& value);
 
-  virtual an<DbAccessor> QueryMetadata();
-  virtual an<DbAccessor> QueryAll();
+  RIME_API virtual an<DbAccessor> QueryMetadata();
+  RIME_API virtual an<DbAccessor> QueryAll();
   RIME_API virtual an<DbAccessor> Query(const string& key);
   RIME_API virtual bool Fetch(const string& key, string* value);
   RIME_API virtual bool Update(const string& key, const string& value);
diff --git a/src/rime/dict/user_db.cc b/src/rime/dict/user_db.cc
index 22b448051..21d32b98a 100644
--- a/src/rime/dict/user_db.cc
+++ b/src/rime/dict/user_db.cc
@@ -96,8 +96,8 @@ static TextFormat plain_userdb_format = {
 };
 
 template <>
-UserDbWrapper<TextDb>::UserDbWrapper(const string& file_name,
-                                     const string& db_name)
+RIME_API UserDbWrapper<TextDb>::UserDbWrapper(const string& file_name,
+                                              const string& db_name)
     : TextDb(file_name, db_name, "userdb", plain_userdb_format) {}
 
 bool UserDbHelper::UpdateUserInfo() {
diff --git a/src/rime/dict/user_db.h b/src/rime/dict/user_db.h
index 418708118..17bbfa7bf 100644
--- a/src/rime/dict/user_db.h
+++ b/src/rime/dict/user_db.h
@@ -61,10 +61,10 @@ class UserDbHelper {
   UserDbHelper(const the<Db>& db) : db_(db.get()) {}
   UserDbHelper(const an<Db>& db) : db_(db.get()) {}
 
-  bool UpdateUserInfo();
-  static bool IsUniformFormat(const string& name);
-  bool UniformBackup(const string& snapshot_file);
-  bool UniformRestore(const string& snapshot_file);
+  RIME_API bool UpdateUserInfo();
+  RIME_API static bool IsUniformFormat(const string& name);
+  RIME_API bool UniformBackup(const string& snapshot_file);
+  RIME_API bool UniformRestore(const string& snapshot_file);
 
   bool IsUserDb();
   string GetDbName();
diff --git a/src/rime/dict/vocabulary.h b/src/rime/dict/vocabulary.h
index ec40fc1a1..3e54752f8 100644
--- a/src/rime/dict/vocabulary.h
+++ b/src/rime/dict/vocabulary.h
@@ -68,10 +68,10 @@ class DictEntryList : public vector<of<DictEntry>> {
 
 using DictEntryFilter = function<bool(an<DictEntry> entry)>;
 
-class DictEntryFilterBinder {
+class RIME_API DictEntryFilterBinder {
  public:
   virtual ~DictEntryFilterBinder() = default;
-  RIME_API virtual void AddFilter(DictEntryFilter filter);
+  virtual void AddFilter(DictEntryFilter filter);
 
  protected:
   DictEntryFilter filter_;
diff --git a/src/rime/gear/simplifier.cc b/src/rime/gear/simplifier.cc
index 7463af3b2..d7cba581e 100644
--- a/src/rime/gear/simplifier.cc
+++ b/src/rime/gear/simplifier.cc
@@ -25,7 +25,7 @@
 #include <opencc/Dict.hpp>
 #include <opencc/DictEntry.hpp>
 
-#ifdef WIN32
+#ifdef _MSC_VER
 #include <opencc/UTF8Util.hpp>
 namespace fs = boost::filesystem;
 #endif
@@ -42,13 +42,13 @@ class Opencc {
     opencc::Config config;
     try {
       // windows config_path in CP_ACP, convert it to UTF-8
-#ifdef WIN32
+#ifdef _MSC_VER
       fs::path path{config_path};
       converter_ =
           config.NewFromFile(opencc::UTF8Util::U16ToU8(path.wstring()));
 #else
       converter_ = config.NewFromFile(config_path);
-#endif /*  WIN32 */
+#endif /*  _MSC_VER */
       const list<opencc::ConversionPtr> conversions =
           converter_->GetConversionChain()->GetConversions();
       dict_ = conversions.front()->GetDict();
diff --git a/src/rime/lever/deployment_tasks.h b/src/rime/lever/deployment_tasks.h
index 8fd61f633..6555fad59 100644
--- a/src/rime/lever/deployment_tasks.h
+++ b/src/rime/lever/deployment_tasks.h
@@ -25,14 +25,14 @@ class DetectModifications : public DeploymentTask {
 };
 
 // initialize/update installation.yaml
-class InstallationUpdate : public DeploymentTask {
+class RIME_API InstallationUpdate : public DeploymentTask {
  public:
   InstallationUpdate(TaskInitializer arg = TaskInitializer()) {}
   bool Run(Deployer* deployer);
 };
 
 // update distributed config files and preset schemas
-class WorkspaceUpdate : public DeploymentTask {
+class RIME_API WorkspaceUpdate : public DeploymentTask {
  public:
   WorkspaceUpdate(TaskInitializer arg = TaskInitializer()) {}
   bool Run(Deployer* deployer);
@@ -44,7 +44,7 @@ class WorkspaceUpdate : public DeploymentTask {
 };
 
 // update a specific schema, build corresponding dictionary
-class SchemaUpdate : public DeploymentTask {
+class RIME_API SchemaUpdate : public DeploymentTask {
  public:
   explicit SchemaUpdate(const string& schema_file)
       : schema_file_(schema_file) {}
diff --git a/src/rime/lever/user_dict_manager.h b/src/rime/lever/user_dict_manager.h
index 9670d2ca5..21726e13d 100644
--- a/src/rime/lever/user_dict_manager.h
+++ b/src/rime/lever/user_dict_manager.h
@@ -16,7 +16,7 @@ class Deployer;
 
 using UserDictList = vector<string>;
 
-class UserDictManager {
+class RIME_API UserDictManager {
  public:
   UserDictManager(Deployer* deployer);
 
diff --git a/src/rime/resource.h b/src/rime/resource.h
index bc4f042b6..47cef2dfd 100644
--- a/src/rime/resource.h
+++ b/src/rime/resource.h
@@ -20,12 +20,11 @@ struct ResourceType {
   string suffix;
 };
 
-class ResourceResolver {
+class RIME_API ResourceResolver {
  public:
   explicit ResourceResolver(const ResourceType type) : type_(type) {}
   virtual ~ResourceResolver() {}
-  RIME_API virtual boost::filesystem::path ResolvePath(
-      const string& resource_id);
+  virtual boost::filesystem::path ResolvePath(const string& resource_id);
   string ToResourceId(const string& file_path) const;
   string ToFilePath(const string& resource_id) const;
   void set_root_path(boost::filesystem::path root_path) {
@@ -39,12 +38,11 @@ class ResourceResolver {
 };
 
 // try fallback path if target file doesn't exist in root path
-class FallbackResourceResolver : public ResourceResolver {
+class RIME_API FallbackResourceResolver : public ResourceResolver {
  public:
   explicit FallbackResourceResolver(const ResourceType& type)
       : ResourceResolver(type) {}
-  RIME_API boost::filesystem::path ResolvePath(
-      const string& resource_id) override;
+  boost::filesystem::path ResolvePath(const string& resource_id) override;
   void set_fallback_root_path(boost::filesystem::path fallback_root_path) {
     fallback_root_path_ = fallback_root_path;
   }
diff --git a/src/rime/service.h b/src/rime/service.h
index f8023c4dd..3a8b47b88 100644
--- a/src/rime/service.h
+++ b/src/rime/service.h
@@ -84,7 +84,7 @@ class Service {
   Deployer& deployer() { return deployer_; }
   bool disabled() { return !started_ || deployer_.IsMaintenanceMode(); }
 
-  static Service& instance();
+  RIME_API static Service& instance();
 
  private:
   Service();
diff --git a/src/rime/setup.cc b/src/rime/setup.cc
index 05730a639..eb843e364 100644
--- a/src/rime/setup.cc
+++ b/src/rime/setup.cc
@@ -28,7 +28,7 @@ namespace rime {
 #define Q(x) #x
 RIME_API RIME_MODULE_LIST(kDefaultModules, "default" RIME_EXTRA_MODULES);
 #undef Q
-RIME_MODULE_LIST(kDeployerModules, "deployer");
+RIME_API RIME_MODULE_LIST(kDeployerModules, "deployer");
 RIME_MODULE_LIST(kLegacyModules, "legacy");
 
 RIME_REGISTER_MODULE_GROUP(default, "core", "dict", "gears")
diff --git a/src/rime/setup.h b/src/rime/setup.h
index 7a5cfe19d..f88a9efd7 100644
--- a/src/rime/setup.h
+++ b/src/rime/setup.h
@@ -12,7 +12,7 @@
 namespace rime {
 
 RIME_API extern const char* kDefaultModules[];
-extern const char* kDeployerModules[];
+RIME_API extern const char* kDeployerModules[];
 extern const char* kLegacyModules[];
 
 RIME_API void LoadModules(const char* module_names[]);
diff --git a/src/rime/translation.h b/src/rime/translation.h
index 8c690203d..fe241783d 100644
--- a/src/rime/translation.h
+++ b/src/rime/translation.h
@@ -14,7 +14,7 @@
 
 namespace rime {
 
-class Translation {
+class RIME_API Translation {
  public:
   Translation() = default;
   virtual ~Translation() = default;
@@ -27,8 +27,7 @@ class Translation {
 
   // should it provide the next candidate (negative value, zero) or
   // should it give up the chance for other translations (positive)?
-  RIME_API virtual int Compare(an<Translation> other,
-                               const CandidateList& candidates);
+  virtual int Compare(an<Translation> other, const CandidateList& candidates);
 
   bool exhausted() const { return exhausted_; }
 
diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index 18e3407f7..bb0361cc7 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -17,11 +17,9 @@ target_link_libraries(rime_patch
   ${rime_library}
   ${rime_levers_library})
 
-# msvc doesn't export all symbols
-if(NOT (WIN32 AND BUILD_SHARED_LIBS))
-
 set(rime_console_src "rime_console.cc")
 add_executable(rime_console ${rime_console_src})
+target_compile_definitions(rime_console PRIVATE RIME_IMPORTS)
 target_link_libraries(rime_console ${rime_console_deps})
 
 set(rime_dict_manager_src "rime_dict_manager.cc")
@@ -33,6 +31,7 @@ target_link_libraries(rime_dict_manager
 
 set(rime_deployer_src "rime_deployer.cc")
 add_executable(rime_deployer ${rime_deployer_src})
+target_compile_definitions(rime_deployer PRIVATE RIME_IMPORTS)
 target_link_libraries(rime_deployer
   ${rime_library}
   ${rime_dict_library}
@@ -41,8 +40,6 @@ target_link_libraries(rime_deployer
 install(TARGETS rime_deployer DESTINATION ${BIN_INSTALL_DIR})
 install(TARGETS rime_dict_manager DESTINATION ${BIN_INSTALL_DIR})
 
-endif()
-
 install(TARGETS rime_patch DESTINATION ${BIN_INSTALL_DIR})
 
 file(COPY ${PROJECT_SOURCE_DIR}/data/minimal/default.yaml