diff --git a/src/resources/vnote.ini b/src/resources/vnote.ini
index 3ed7bb4f..b8b51f2f 100644
--- a/src/resources/vnote.ini
+++ b/src/resources/vnote.ini
@@ -275,6 +275,9 @@ keyboard_layout=
 ; Whether split file list out of the notebook panel
 split_file_list=false
 
+; Whether split file list out of the tag explorer
+split_tag_file_list=false
+
 [editor]
 ; Auto indent as previous line
 auto_indent=true
diff --git a/src/vconfigmanager.h b/src/vconfigmanager.h
index 9b1c2172..a99bdd28 100644
--- a/src/vconfigmanager.h
+++ b/src/vconfigmanager.h
@@ -605,6 +605,9 @@ public:
     bool getEnableSplitFileList() const;
     void setEnableSplitFileList(bool p_enable);
 
+    bool getEnableSplitTagFileList() const;
+    void setEnableSplitTagFileList(bool p_enable);
+
 private:
     // Look up a config from user and default settings.
     QVariant getConfigFromSettings(const QString &section, const QString &key) const;
@@ -2822,4 +2825,14 @@ inline void VConfigManager::setEnableSplitFileList(bool p_enable)
 {
     setConfigToSettings("global", "split_file_list", p_enable);
 }
+
+inline bool VConfigManager::getEnableSplitTagFileList() const
+{
+    return getConfigFromSettings("global", "split_tag_file_list").toBool();
+}
+
+inline void VConfigManager::setEnableSplitTagFileList(bool p_enable)
+{
+    setConfigToSettings("global", "split_tag_file_list", p_enable);
+}
 #endif // VCONFIGMANAGER_H
diff --git a/src/vtagexplorer.cpp b/src/vtagexplorer.cpp
index cb761792..b21dd796 100644
--- a/src/vtagexplorer.cpp
+++ b/src/vtagexplorer.cpp
@@ -59,9 +59,36 @@ void VTagExplorer::setupUI()
                 }
             });
 
+    QVBoxLayout *tagLayout = new QVBoxLayout();
+    tagLayout->addWidget(m_notebookLabel);
+    tagLayout->addWidget(m_tagList);
+    tagLayout->setContentsMargins(0, 0, 0, 0);
+
+    QWidget *tagWidget = new QWidget(this);
+    tagWidget->setLayout(tagLayout);
+
     m_tagLabel = new QLabel(tr("Notes"), this);
     m_tagLabel->setProperty("TitleLabel", true);
 
+    m_splitBtn = new QPushButton(VIconUtils::buttonIcon(":/resources/icons/split_window.svg"),
+                                 "",
+                                 this);
+    m_splitBtn->setToolTip(tr("Split"));
+    m_splitBtn->setCheckable(true);
+    m_splitBtn->setProperty("CornerBtn", true);
+    m_splitBtn->setFocusPolicy(Qt::NoFocus);
+    connect(m_splitBtn, &QPushButton::clicked,
+            this, [this](bool p_checked) {
+                g_config->setEnableSplitTagFileList(p_checked);
+                setupFileListSplitOut(p_checked);
+            });
+
+    QHBoxLayout *titleLayout = new QHBoxLayout();
+    titleLayout->addWidget(m_tagLabel);
+    titleLayout->addWidget(m_splitBtn);
+    titleLayout->addStretch();
+    titleLayout->setContentsMargins(0, 0, 0, 0);
+
     m_fileList = new VListWidget(this);
     m_fileList->setAttribute(Qt::WA_MacShowFocusRect, false);
     m_fileList->setContextMenuPolicy(Qt::CustomContextMenu);
@@ -71,23 +98,22 @@ void VTagExplorer::setupUI()
     connect(m_fileList, &QListWidget::customContextMenuRequested,
             this, &VTagExplorer::handleFileListContextMenuRequested);
 
-    QWidget *fileWidget = new QWidget(this);
     QVBoxLayout *fileLayout = new QVBoxLayout();
-    fileLayout->addWidget(m_tagLabel);
+    fileLayout->addLayout(titleLayout);
     fileLayout->addWidget(m_fileList);
     fileLayout->setContentsMargins(0, 0, 0, 0);
+
+    QWidget *fileWidget = new QWidget(this);
     fileWidget->setLayout(fileLayout);
 
     m_splitter = new QSplitter(this);
-    m_splitter->setOrientation(Qt::Vertical);
     m_splitter->setObjectName("TagExplorerSplitter");
-    m_splitter->addWidget(m_tagList);
+    m_splitter->addWidget(tagWidget);
     m_splitter->addWidget(fileWidget);
-    m_splitter->setStretchFactor(0, 1);
-    m_splitter->setStretchFactor(1, 2);
+
+    setupFileListSplitOut(g_config->getEnableSplitTagFileList());
 
     QVBoxLayout *mainLayout = new QVBoxLayout();
-    mainLayout->addWidget(m_notebookLabel);
     mainLayout->addWidget(m_splitter);
     mainLayout->setContentsMargins(0, 0, 0, 0);
 
@@ -512,3 +538,17 @@ void VTagExplorer::registerNavigationTarget()
     VNavigationModeListWidgetWrapper *fileWrapper = new VNavigationModeListWidgetWrapper(m_fileList, this);
     g_mainWin->getCaptain()->registerNavigationTarget(fileWrapper);
 }
+
+void VTagExplorer::setupFileListSplitOut(bool p_enabled)
+{
+    m_splitBtn->setChecked(p_enabled);
+    if (p_enabled) {
+        m_splitter->setOrientation(Qt::Horizontal);
+        m_splitter->setStretchFactor(0, 1);
+        m_splitter->setStretchFactor(1, 1);
+    } else {
+        m_splitter->setOrientation(Qt::Vertical);
+        m_splitter->setStretchFactor(0, 1);
+        m_splitter->setStretchFactor(1, 2);
+    }
+}
diff --git a/src/vtagexplorer.h b/src/vtagexplorer.h
index 01d6e6d9..ad65808b 100644
--- a/src/vtagexplorer.h
+++ b/src/vtagexplorer.h
@@ -81,12 +81,16 @@ private:
 
     void promptToRemoveEmptyTag(const QString &p_tag);
 
+    void setupFileListSplitOut(bool p_enabled);
+
     bool m_uiInitialized;
 
     QLabel *m_notebookLabel;
 
     QLabel *m_tagLabel;
 
+    QPushButton *m_splitBtn;
+
     VListWidget *m_tagList;
 
     VListWidget *m_fileList;