diff --git a/CHANGELOG.md b/CHANGELOG.md
index c1c9dba27c0..cb0162801be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 
 ### Changed
 
+- We integrated the external file types dialog directly inside the preferences. [#8341](https://github.com/JabRef/jabref/pull/8341)
+
 ### Fixed
 
 ### Removed
diff --git a/src/main/java/org/jabref/gui/externalfiletype/CustomizeExternalFileTypesDialog.fxml b/src/main/java/org/jabref/gui/externalfiletype/CustomizeExternalFileTypesDialog.fxml
deleted file mode 100644
index 6489e52a788..00000000000
--- a/src/main/java/org/jabref/gui/externalfiletype/CustomizeExternalFileTypesDialog.fxml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<?import javafx.scene.control.Button?>
-<?import javafx.scene.control.ButtonType?>
-<?import javafx.scene.control.DialogPane?>
-<?import javafx.scene.control.TableColumn?>
-<?import javafx.scene.control.TableView?>
-<?import javafx.scene.layout.HBox?>
-<?import javafx.scene.layout.VBox?>
-<DialogPane xmlns:fx="http://javafx.com/fxml"
-            xmlns="http://javafx.com/javafx"
-            fx:controller="org.jabref.gui.externalfiletype.CustomizeExternalFileTypesDialog"
-            prefHeight="500.0" prefWidth="750.0">
-    <content>
-        <VBox spacing="10">
-            <TableView fx:id="fileTypesTable" VBox.vgrow="ALWAYS">
-                <columns>
-                    <TableColumn fx:id="fileTypesTableIconColumn" minWidth="40.0" maxWidth="40.0"/>
-                    <TableColumn fx:id="fileTypesTableNameColumn" text="%Name"/>
-                    <TableColumn fx:id="fileTypesTableExtensionColumn" text="%Extension" prefWidth="120"/>
-                    <TableColumn fx:id="fileTypesTableTypeColumn" text="%MIME type" prefWidth="150"/>
-                    <TableColumn fx:id="fileTypesTableApplicationColumn" text="%Application" prefWidth="100"/>
-                    <TableColumn fx:id="fileTypesTableEditColumn" minWidth="40.0" maxWidth="40.0"/>
-                    <TableColumn fx:id="fileTypesTableDeleteColumn" minWidth="40.0" maxWidth="40.0"/>
-                </columns>
-                <columnResizePolicy>
-                    <TableView fx:constant="CONSTRAINED_RESIZE_POLICY"/>
-                </columnResizePolicy>
-            </TableView>
-            <HBox>
-                <Button text="%Add new file type" onAction="#addNewType"/>
-                <HBox HBox.hgrow="ALWAYS"/>
-                <Button text="%Reset to default" onAction="#resetToDefault" styleClass="text-button"/>
-            </HBox>
-        </VBox>
-    </content>
-    <ButtonType fx:constant="OK"/>
-    <ButtonType fx:constant="CANCEL"/>
-</DialogPane>
diff --git a/src/main/java/org/jabref/gui/externalfiletype/EditExternalFileTypesAction.java b/src/main/java/org/jabref/gui/externalfiletype/EditExternalFileTypesAction.java
deleted file mode 100644
index f2e25f72040..00000000000
--- a/src/main/java/org/jabref/gui/externalfiletype/EditExternalFileTypesAction.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package org.jabref.gui.externalfiletype;
-
-import org.jabref.gui.DialogService;
-import org.jabref.gui.actions.SimpleCommand;
-
-import com.airhacks.afterburner.injection.Injector;
-
-public class EditExternalFileTypesAction extends SimpleCommand {
-
-    @Override
-    public void execute() {
-        DialogService dialogService = Injector.instantiateModelOrService(DialogService.class);
-        dialogService.showCustomDialogAndWait(new CustomizeExternalFileTypesDialog());
-    }
-}
diff --git a/src/main/java/org/jabref/gui/preferences/PreferencesDialogViewModel.java b/src/main/java/org/jabref/gui/preferences/PreferencesDialogViewModel.java
index 9a50eae8e22..fb1c888f01f 100644
--- a/src/main/java/org/jabref/gui/preferences/PreferencesDialogViewModel.java
+++ b/src/main/java/org/jabref/gui/preferences/PreferencesDialogViewModel.java
@@ -19,6 +19,7 @@
 import org.jabref.gui.preferences.entryeditor.EntryEditorTab;
 import org.jabref.gui.preferences.entryeditortabs.CustomEditorFieldsTab;
 import org.jabref.gui.preferences.external.ExternalTab;
+import org.jabref.gui.preferences.externalfiletypes.ExternalFileTypesTab;
 import org.jabref.gui.preferences.file.FileTab;
 import org.jabref.gui.preferences.general.GeneralTab;
 import org.jabref.gui.preferences.groups.GroupsTab;
@@ -72,6 +73,7 @@ public PreferencesDialogViewModel(DialogService dialogService, PreferencesServic
                 new PreviewTab(),
                 new ProtectedTermsTab(),
                 new ExternalTab(frame.getPushToApplicationsManager()),
+                new ExternalFileTypesTab(),
                 new JournalAbbreviationsTab(),
                 new GroupsTab(),
                 new EntryEditorTab(),
diff --git a/src/main/java/org/jabref/gui/preferences/external/ExternalTab.fxml b/src/main/java/org/jabref/gui/preferences/external/ExternalTab.fxml
index 33769554505..e4cd9d468b0 100644
--- a/src/main/java/org/jabref/gui/preferences/external/ExternalTab.fxml
+++ b/src/main/java/org/jabref/gui/preferences/external/ExternalTab.fxml
@@ -35,8 +35,6 @@
                 <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
                 <RowConstraints minHeight="4.0" vgrow="SOMETIMES"/>
                 <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
-                <RowConstraints minHeight="16.0" vgrow="SOMETIMES"/>
-                <RowConstraints minHeight="10.0" vgrow="SOMETIMES"/>
             </rowConstraints>
             <Label text="%Application to push entries to"/>
             <ComboBox fx:id="pushToApplicationCombo"
@@ -54,9 +52,6 @@
             <Label text="%Cite command" GridPane.rowIndex="2"/>
             <TextField fx:id="citeCommand"
                        prefWidth="200.0" GridPane.columnIndex="1" GridPane.rowIndex="2"/>
-
-            <Button onAction="#manageExternalFileTypes" text="%Manage external file types"
-                    prefWidth="200.0" GridPane.columnIndex="1" GridPane.rowIndex="4"/>
         </GridPane>
     </HBox>
 
diff --git a/src/main/java/org/jabref/gui/preferences/external/ExternalTab.java b/src/main/java/org/jabref/gui/preferences/external/ExternalTab.java
index 0abb78aa862..0af4ca04d86 100644
--- a/src/main/java/org/jabref/gui/preferences/external/ExternalTab.java
+++ b/src/main/java/org/jabref/gui/preferences/external/ExternalTab.java
@@ -85,11 +85,6 @@ void pushToApplicationSettings() {
         viewModel.pushToApplicationSettings();
     }
 
-    @FXML
-    void manageExternalFileTypes() {
-        viewModel.manageExternalFileTypes();
-    }
-
     @FXML
     void useTerminalCommandBrowse() {
         viewModel.customTerminalBrowse();
diff --git a/src/main/java/org/jabref/gui/preferences/external/ExternalTabViewModel.java b/src/main/java/org/jabref/gui/preferences/external/ExternalTabViewModel.java
index 896fa4e7412..f6f8e88ed0a 100644
--- a/src/main/java/org/jabref/gui/preferences/external/ExternalTabViewModel.java
+++ b/src/main/java/org/jabref/gui/preferences/external/ExternalTabViewModel.java
@@ -13,7 +13,6 @@
 import javafx.scene.control.DialogPane;
 
 import org.jabref.gui.DialogService;
-import org.jabref.gui.externalfiletype.EditExternalFileTypesAction;
 import org.jabref.gui.preferences.PreferenceTabViewModel;
 import org.jabref.gui.push.PushToApplication;
 import org.jabref.gui.push.PushToApplicationSettings;
@@ -160,10 +159,6 @@ public void pushToApplicationSettings() {
                      );
     }
 
-    public void manageExternalFileTypes() {
-        new EditExternalFileTypesAction().execute();
-    }
-
     public void customTerminalBrowse() {
         dialogService.showFileOpenDialog(fileDialogConfiguration)
                      .ifPresent(file -> customTerminalCommandProperty.setValue(file.toAbsolutePath().toString()));
diff --git a/src/main/java/org/jabref/gui/preferences/externalfiletypes/ExternalFileTypesTab.fxml b/src/main/java/org/jabref/gui/preferences/externalfiletypes/ExternalFileTypesTab.fxml
new file mode 100644
index 00000000000..5d8b4556c70
--- /dev/null
+++ b/src/main/java/org/jabref/gui/preferences/externalfiletypes/ExternalFileTypesTab.fxml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.VBox?>
+<?import org.jabref.gui.icon.JabRefIconView?>
+<fx:root spacing="10.0" type="VBox"
+         xmlns="http://javafx.com/javafx" xmlns:fx="http://javafx.com/fxml"
+         fx:controller="org.jabref.gui.preferences.externalfiletypes.ExternalFileTypesTab">
+    <Label styleClass="titleHeader" text="%External file types"/>
+    <TableView fx:id="fileTypesTable" VBox.vgrow="ALWAYS">
+        <columns>
+            <TableColumn fx:id="fileTypesTableIconColumn" minWidth="40.0" maxWidth="40.0"/>
+            <TableColumn fx:id="fileTypesTableNameColumn" text="%Name"/>
+            <TableColumn fx:id="fileTypesTableExtensionColumn" text="%Extension" prefWidth="120"/>
+            <TableColumn fx:id="fileTypesTableTypeColumn" text="%MIME type" prefWidth="150"/>
+            <TableColumn fx:id="fileTypesTableApplicationColumn" text="%Application" prefWidth="100"/>
+            <TableColumn fx:id="fileTypesTableEditColumn" minWidth="40.0" maxWidth="40.0"/>
+            <TableColumn fx:id="fileTypesTableDeleteColumn" minWidth="40.0" maxWidth="40.0"/>
+        </columns>
+        <columnResizePolicy>
+            <TableView fx:constant="CONSTRAINED_RESIZE_POLICY"/>
+        </columnResizePolicy>
+    </TableView>
+    <HBox alignment="BASELINE_RIGHT" spacing="10.0">
+        <Button text="%Add new file type" onAction="#addNewType">
+            <graphic>
+                <JabRefIconView glyph="ADD_NOBOX"/>
+            </graphic>
+        </Button>
+        <Button text="%Reset to default" onAction="#resetToDefault">
+            <graphic>
+                <JabRefIconView glyph="REFRESH"/>
+            </graphic>
+        </Button>
+    </HBox>
+</fx:root>
diff --git a/src/main/java/org/jabref/gui/externalfiletype/CustomizeExternalFileTypesDialog.java b/src/main/java/org/jabref/gui/preferences/externalfiletypes/ExternalFileTypesTab.java
similarity index 81%
rename from src/main/java/org/jabref/gui/externalfiletype/CustomizeExternalFileTypesDialog.java
rename to src/main/java/org/jabref/gui/preferences/externalfiletypes/ExternalFileTypesTab.java
index ad80133a034..41998975660 100644
--- a/src/main/java/org/jabref/gui/externalfiletype/CustomizeExternalFileTypesDialog.java
+++ b/src/main/java/org/jabref/gui/preferences/externalfiletypes/ExternalFileTypesTab.java
@@ -1,13 +1,15 @@
-package org.jabref.gui.externalfiletype;
+package org.jabref.gui.preferences.externalfiletypes;
 
 import javafx.fxml.FXML;
-import javafx.scene.control.ButtonType;
 import javafx.scene.control.TableColumn;
 import javafx.scene.control.TableView;
 
+import org.jabref.gui.externalfiletype.ExternalFileType;
+import org.jabref.gui.externalfiletype.ExternalFileTypes;
 import org.jabref.gui.icon.IconTheme;
 import org.jabref.gui.icon.JabRefIcon;
-import org.jabref.gui.util.BaseDialog;
+import org.jabref.gui.preferences.AbstractPreferenceTabView;
+import org.jabref.gui.preferences.PreferencesTab;
 import org.jabref.gui.util.BindingsHelper;
 import org.jabref.gui.util.ValueTableCellFactory;
 import org.jabref.logic.l10n.Localization;
@@ -17,7 +19,7 @@
 /**
  * Editor for external file types.
  */
-public class CustomizeExternalFileTypesDialog extends BaseDialog<Void> {
+public class ExternalFileTypesTab extends AbstractPreferenceTabView<ExternalFileTypesTabViewModel> implements PreferencesTab {
 
     @FXML private TableColumn<ExternalFileType, JabRefIcon> fileTypesTableIconColumn;
     @FXML private TableColumn<ExternalFileType, String> fileTypesTableNameColumn;
@@ -28,26 +30,20 @@ public class CustomizeExternalFileTypesDialog extends BaseDialog<Void> {
     @FXML private TableColumn<ExternalFileType, Boolean> fileTypesTableDeleteColumn;
     @FXML private TableView<ExternalFileType> fileTypesTable;
 
-    private CustomizeExternalFileTypesViewModel viewModel;
-
-    public CustomizeExternalFileTypesDialog() {
-        this.setTitle(Localization.lang("Manage external file types"));
-
+    public ExternalFileTypesTab() {
         ViewLoader.view(this)
-                  .load()
-                  .setAsDialogPane(this);
+                  .root(this)
+                  .load();
+    }
 
-        this.setResultConverter(button -> {
-            if (button == ButtonType.OK) {
-                viewModel.storeSettings();
-            }
-            return null;
-        });
+    @Override
+    public String getTabName() {
+        return Localization.lang("External file types");
     }
 
     @FXML
     public void initialize() {
-        viewModel = new CustomizeExternalFileTypesViewModel();
+        viewModel = new ExternalFileTypesTabViewModel(ExternalFileTypes.getInstance());
 
         fileTypesTable.setItems(viewModel.getFileTypes());
 
diff --git a/src/main/java/org/jabref/gui/externalfiletype/CustomizeExternalFileTypesViewModel.java b/src/main/java/org/jabref/gui/preferences/externalfiletypes/ExternalFileTypesTabViewModel.java
similarity index 67%
rename from src/main/java/org/jabref/gui/externalfiletype/CustomizeExternalFileTypesViewModel.java
rename to src/main/java/org/jabref/gui/preferences/externalfiletypes/ExternalFileTypesTabViewModel.java
index c147c839fc8..ee669177d6d 100644
--- a/src/main/java/org/jabref/gui/externalfiletype/CustomizeExternalFileTypesViewModel.java
+++ b/src/main/java/org/jabref/gui/preferences/externalfiletypes/ExternalFileTypesTabViewModel.java
@@ -1,33 +1,39 @@
-package org.jabref.gui.externalfiletype;
+package org.jabref.gui.preferences.externalfiletypes;
 
 import java.util.Comparator;
 import java.util.List;
-import java.util.Set;
 
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 
 import org.jabref.gui.DialogService;
+import org.jabref.gui.externalfiletype.CustomExternalFileType;
+import org.jabref.gui.externalfiletype.EditExternalFileTypeEntryDialog;
+import org.jabref.gui.externalfiletype.ExternalFileType;
+import org.jabref.gui.externalfiletype.ExternalFileTypes;
 import org.jabref.gui.icon.IconTheme;
+import org.jabref.gui.preferences.PreferenceTabViewModel;
 import org.jabref.logic.l10n.Localization;
 
 import com.airhacks.afterburner.injection.Injector;
 
-public class CustomizeExternalFileTypesViewModel {
+public class ExternalFileTypesTabViewModel implements PreferenceTabViewModel {
 
-    private final ObservableList<ExternalFileType> fileTypes;
+    private final ExternalFileTypes externalFileTypes;
+    private final ObservableList<ExternalFileType> fileTypes = FXCollections.observableArrayList();
 
-    public CustomizeExternalFileTypesViewModel() {
-        Set<ExternalFileType> types = ExternalFileTypes.getInstance().getExternalFileTypeSelection();
-        fileTypes = FXCollections.observableArrayList(types);
+    public ExternalFileTypesTabViewModel(ExternalFileTypes externalFileTypes) {
+        this.externalFileTypes = externalFileTypes;
+    }
+
+    @Override
+    public void setValues() {
+        fileTypes.setAll(externalFileTypes.getExternalFileTypeSelection());
         fileTypes.sort(Comparator.comparing(ExternalFileType::getName));
     }
 
-    /**
-     * Stores the list of external entry types in the preferences.
-     */
     public void storeSettings() {
-        ExternalFileTypes.getInstance().setExternalFileTypes(fileTypes);
+        externalFileTypes.setExternalFileTypes(fileTypes);
     }
 
     public void resetToDefaults() {
diff --git a/src/main/resources/l10n/JabRef_en.properties b/src/main/resources/l10n/JabRef_en.properties
index 1bd26af7d11..20d378ac7fe 100644
--- a/src/main/resources/l10n/JabRef_en.properties
+++ b/src/main/resources/l10n/JabRef_en.properties
@@ -509,7 +509,7 @@ Main\ file\ directory=Main file directory
 Manage\ custom\ exports=Manage custom exports
 
 Manage\ custom\ imports=Manage custom imports
-Manage\ external\ file\ types=Manage external file types
+External\ file\ types=External file types
 
 Mark\ new\ entries\ with\ owner\ name=Mark new entries with owner name