diff --git a/src/main.ts b/src/main.ts
index 61b4de7..d9d61fe 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -58,36 +58,12 @@ import {
 	HasSortingOrGrouping,
 	ImplicitSortspecForBookmarksIntegration
 } from "./custom-sort/custom-sort-utils";
-
-interface CustomSortPluginSettings {
-	additionalSortspecFile: string
-	suspended: boolean
-	statusBarEntryEnabled: boolean
-	notificationsEnabled: boolean
-	mobileNotificationsEnabled: boolean
-	automaticBookmarksIntegration: boolean
-	customSortContextSubmenu: boolean
-	bookmarksContextMenus: boolean
-	bookmarksGroupToConsumeAsOrderingReference: string
-}
-
-const DEFAULT_SETTINGS: CustomSortPluginSettings = {
-	additionalSortspecFile: '',
-	suspended: true,  // if false by default, it would be hard to handle the auto-parse after plugin install
-	statusBarEntryEnabled: true,
-	notificationsEnabled: true,
-	mobileNotificationsEnabled: false,
-	customSortContextSubmenu: true,
-	automaticBookmarksIntegration: false,
-	bookmarksContextMenus: false,
-	bookmarksGroupToConsumeAsOrderingReference: 'sortspec'
-}
-
-// On API 1.2.x+ enable the bookmarks integration by default
-const DEFAULT_SETTING_FOR_1_2_0_UP: Partial<CustomSortPluginSettings> = {
-	automaticBookmarksIntegration: true,
-	bookmarksContextMenus: true
-}
+import {
+	CustomSortPluginSettings,
+	CustomSortSettingTab,
+	DEFAULT_SETTING_FOR_1_2_0_UP,
+	DEFAULT_SETTINGS
+} from "./settings";
 
 const SORTSPEC_FILE_NAME: string = 'sortspec.md'
 const SORTINGSPEC_YAML_KEY: string = 'sorting-spec'
@@ -747,164 +723,3 @@ export default class CustomSortPlugin extends Plugin {
 	}
 }
 
-const pathToFlatString = (path: string): string => {
-	return path.replace(/\//g,'_').replace(/\\/g, '_')
-}
-
-class CustomSortSettingTab extends PluginSettingTab {
-	plugin: CustomSortPlugin;
-
-	constructor(app: App, plugin: CustomSortPlugin) {
-		super(app, plugin);
-		this.plugin = plugin;
-	}
-
-	display(): void {
-		const {containerEl} = this;
-
-		containerEl.empty();
-
-		// containerEl.createEl('h2', {text: 'Settings for Custom File Explorer Sorting Plugin'});
-
-		const additionalSortspecFileDescr: DocumentFragment = sanitizeHTMLToDom(
-			'A note name or note path to scan (YAML frontmatter) for sorting specification in addition to the `sortspec` notes and Folder Notes<sup><b>*</b></sup>.'
-			+ '<br>'
-			+ ' The `.md` filename suffix is optional.'
-			+ '<p><b>(*)</b>&nbsp;if you employ the <i>Index-File based</i> approach to folder notes (as documented in '
-			+ '<a href="https://github.com/aidenlx/alx-folder-note/wiki/folder-note-pref"'
-			+ '>Aidenlx Folder Note preferences</a>'
-			+ ') you can enter here the index note name, e.g. <b>_about_</b>'
-			+ '<br>'
-			+ 'The <i>Inside Folder, with Same Name Recommended</i> mode of Folder Notes is handled automatically, no additional configuration needed.'
-			+ '</p>'
-			+ '<p>NOTE: After updating this setting remember to refresh the custom sorting via clicking on the ribbon icon or via the <b>sort-on</b> command'
-			+ ' or by restarting Obsidian or reloading the vault</p>'
-		)
-
-		new Setting(containerEl)
-			.setName('Path or name of additional note(s) containing sorting specification')
-			.setDesc(additionalSortspecFileDescr)
-			.addText(text => text
-				.setPlaceholder('e.g. _about_')
-				.setValue(this.plugin.settings.additionalSortspecFile)
-				.onChange(async (value) => {
-					this.plugin.settings.additionalSortspecFile = value.trim() ? normalizePath(value) : '';
-					await this.plugin.saveSettings();
-				}));
-
-		new Setting(containerEl)
-			.setName('Enable the status bar entry')
-			.setDesc('The status bar entry shows the label `Custom sort:ON` or `Custom sort:OFF`, representing the current state of the plugin.')
-			.addToggle(toggle => toggle
-				.setValue(this.plugin.settings.statusBarEntryEnabled)
-				.onChange(async (value) => {
-					this.plugin.settings.statusBarEntryEnabled = value;
-					if (value) {
-						// Enabling
-						if (this.plugin.statusBarItemEl) {
-							// for sanity
-							this.plugin.statusBarItemEl.detach()
-						}
-						this.plugin.statusBarItemEl =  this.plugin.addStatusBarItem();
-						this.plugin.updateStatusBar()
-
-					} else { // disabling
-						if (this.plugin.statusBarItemEl) {
-							this.plugin.statusBarItemEl.detach()
-						}
-					}
-					await this.plugin.saveSettings();
-				}));
-
-		new Setting(containerEl)
-			.setName('Enable notifications of plugin state changes')
-			.setDesc('The plugin can show notifications about its state changes: e.g. when successfully parsed and applied'
-			+ ' the custom sorting specification, or, when the parsing failed. If the notifications are disabled,'
-			+ ' the only indicator of plugin state is the ribbon button icon. The developer console presents the parsing'
-			+ ' error messages regardless if the notifications are enabled or not.')
-			.addToggle(toggle => toggle
-				.setValue(this.plugin.settings.notificationsEnabled)
-				.onChange(async (value) => {
-					this.plugin.settings.notificationsEnabled = value;
-					await this.plugin.saveSettings();
-				}));
-
-		new Setting(containerEl)
-			.setName('Enable notifications of plugin state changes for mobile devices only')
-			.setDesc('See above.')
-			.addToggle(toggle => toggle
-				.setValue(this.plugin.settings.mobileNotificationsEnabled)
-				.onChange(async (value) => {
-					this.plugin.settings.mobileNotificationsEnabled = value;
-					await this.plugin.saveSettings();
-				}));
-
-		new Setting(containerEl)
-			.setName('Enable File Explorer context submenu`Custom sort:`')
-			.setDesc('Gives access to operations relevant for custom sorting, e.g. applying custom sorting.')
-			.addToggle(toggle => toggle
-				.setValue(this.plugin.settings.customSortContextSubmenu)
-				.onChange(async (value) => {
-					this.plugin.settings.customSortContextSubmenu = value;
-					await this.plugin.saveSettings();
-				}));
-
-		containerEl.createEl('h2', {text: 'Bookmarks integration'});
-		const bookmarksIntegrationDescription: DocumentFragment = sanitizeHTMLToDom(
-			'If enabled, order of files and folders in File Explorer will reflect the order '
-			+ 'of bookmarked items in the bookmarks (core plugin) view. Automatically, without any '
-			+ 'need for sorting configuration. At the same time, it integrates seamlessly with'
-			+ ' <pre style="display: inline;">sorting-spec:</pre> configurations and they can nicely cooperate.'
-			+ '<br>'
-			+ '<p>To separate regular bookmarks from the bookmarks created for sorting, you can put '
-			+ 'the latter in a separate dedicated bookmarks group. The default name of the group is '
-			+ "'<i>" + DEFAULT_SETTINGS.bookmarksGroupToConsumeAsOrderingReference + "</i>' "
-			+ 'and you can change the group name in the configuration field below.'
-			+ '<br>'
-			+ 'If left empty, all the bookmarked items will be used to impose the order in File Explorer.</p>'
-			+ '<p>More information on this functionality in the '
-			+ '<a href="https://github.com/SebastianMC/obsidian-custom-sort/blob/master/docs/manual.md#bookmarks-plugin-integration">'
-			+ 'manual</a> of this custom-sort plugin.'
-			+ '</p>'
-		)
-
-		new Setting(containerEl)
-			.setName('Automatic integration with core Bookmarks plugin (for indirect drag & drop ordering)')
-			.setDesc(bookmarksIntegrationDescription)
-			.addToggle(toggle => toggle
-				.setValue(this.plugin.settings.automaticBookmarksIntegration)
-				.onChange(async (value) => {
-					this.plugin.settings.automaticBookmarksIntegration = value;
-					await this.plugin.saveSettings();
-				}));
-
-		new Setting(containerEl)
-			.setName('Name of the group in Bookmarks from which to read the order of items')
-			.setDesc('See above.')
-			.addText(text => text
-				.setPlaceholder('e.g. Group for sorting')
-				.setValue(this.plugin.settings.bookmarksGroupToConsumeAsOrderingReference)
-				.onChange(async (value) => {
-					value = groupNameForPath(value.trim()).trim()
-					this.plugin.settings.bookmarksGroupToConsumeAsOrderingReference = value ? pathToFlatString(normalizePath(value)) : '';
-					await this.plugin.saveSettings();
-				}));
-
-		const bookmarksIntegrationContextMenusDescription: DocumentFragment = sanitizeHTMLToDom(
-			'Enable <i>Custom-sort: bookmark for sorting</i> and <i>Custom-sort: bookmark+siblings for sorting</i> (and related) entries '
-			+ 'in context menu in File Explorer'
-		)
-		new Setting(containerEl)
-			.setName('Context menus for Bookmarks integration')
-			.setDesc(bookmarksIntegrationContextMenusDescription)
-			.addToggle(toggle => toggle
-				.setValue(this.plugin.settings.bookmarksContextMenus)
-				.onChange(async (value) => {
-					this.plugin.settings.bookmarksContextMenus = value;
-					if (value) {
-						this.plugin.settings.customSortContextSubmenu = true; // automatically enable custom sort context submenu
-					}
-					await this.plugin.saveSettings();
-				}))
-	}
-}
diff --git a/src/settings.ts b/src/settings.ts
new file mode 100644
index 0000000..de165b0
--- /dev/null
+++ b/src/settings.ts
@@ -0,0 +1,195 @@
+import {App, normalizePath, PluginSettingTab, sanitizeHTMLToDom, Setting} from "obsidian";
+import {groupNameForPath} from "./utils/BookmarksCorePluginSignature";
+import CustomSortPlugin from "./main";
+
+export interface CustomSortPluginSettings {
+    additionalSortspecFile: string
+    suspended: boolean
+    statusBarEntryEnabled: boolean
+    notificationsEnabled: boolean
+    mobileNotificationsEnabled: boolean
+    automaticBookmarksIntegration: boolean
+    customSortContextSubmenu: boolean
+    bookmarksContextMenus: boolean
+    bookmarksGroupToConsumeAsOrderingReference: string
+}
+
+export const DEFAULT_SETTINGS: CustomSortPluginSettings = {
+    additionalSortspecFile: '',
+    suspended: true,  // if false by default, it would be hard to handle the auto-parse after plugin install
+    statusBarEntryEnabled: true,
+    notificationsEnabled: true,
+    mobileNotificationsEnabled: false,
+    customSortContextSubmenu: true,
+    automaticBookmarksIntegration: false,
+    bookmarksContextMenus: false,
+    bookmarksGroupToConsumeAsOrderingReference: 'sortspec'
+}
+
+// On API 1.2.x+ enable the bookmarks integration by default
+export const DEFAULT_SETTING_FOR_1_2_0_UP: Partial<CustomSortPluginSettings> = {
+    automaticBookmarksIntegration: true,
+    bookmarksContextMenus: true
+}
+
+const pathToFlatString = (path: string): string => {
+    return path.replace(/\//g,'_').replace(/\\/g, '_')
+}
+
+export class CustomSortSettingTab extends PluginSettingTab {
+    plugin: CustomSortPlugin;
+
+    constructor(app: App, plugin: CustomSortPlugin) {
+        super(app, plugin);
+        this.plugin = plugin;
+    }
+
+    display(): void {
+        const {containerEl} = this;
+
+        containerEl.empty();
+
+        // containerEl.createEl('h2', {text: 'Settings for Custom File Explorer Sorting Plugin'});
+
+        const additionalSortspecFileDescr: DocumentFragment = sanitizeHTMLToDom(
+            'A note name or note path to scan (YAML frontmatter) for sorting specification in addition to the `sortspec` notes and Folder Notes<sup><b>*</b></sup>.'
+            + '<br>'
+            + ' The `.md` filename suffix is optional.'
+            + '<p><b>(*)</b>&nbsp;if you employ the <i>Index-File based</i> approach to folder notes (as documented in '
+            + '<a href="https://github.com/aidenlx/alx-folder-note/wiki/folder-note-pref"'
+            + '>Aidenlx Folder Note preferences</a>'
+            + ') you can enter here the index note name, e.g. <b>_about_</b>'
+            + '<br>'
+            + 'The <i>Inside Folder, with Same Name Recommended</i> mode of Folder Notes is handled automatically, no additional configuration needed.'
+            + '</p>'
+            + '<p>NOTE: After updating this setting remember to refresh the custom sorting via clicking on the ribbon icon or via the <b>sort-on</b> command'
+            + ' or by restarting Obsidian or reloading the vault</p>'
+        )
+
+        new Setting(containerEl)
+            .setName('Path or name of additional note(s) containing sorting specification')
+            .setDesc(additionalSortspecFileDescr)
+            .addText(text => text
+                .setPlaceholder('e.g. _about_')
+                .setValue(this.plugin.settings.additionalSortspecFile)
+                .onChange(async (value) => {
+                    this.plugin.settings.additionalSortspecFile = value.trim() ? normalizePath(value) : '';
+                    await this.plugin.saveSettings();
+                }));
+
+        new Setting(containerEl)
+            .setName('Enable the status bar entry')
+            .setDesc('The status bar entry shows the label `Custom sort:ON` or `Custom sort:OFF`, representing the current state of the plugin.')
+            .addToggle(toggle => toggle
+                .setValue(this.plugin.settings.statusBarEntryEnabled)
+                .onChange(async (value) => {
+                    this.plugin.settings.statusBarEntryEnabled = value;
+                    if (value) {
+                        // Enabling
+                        if (this.plugin.statusBarItemEl) {
+                            // for sanity
+                            this.plugin.statusBarItemEl.detach()
+                        }
+                        this.plugin.statusBarItemEl =  this.plugin.addStatusBarItem();
+                        this.plugin.updateStatusBar()
+
+                    } else { // disabling
+                        if (this.plugin.statusBarItemEl) {
+                            this.plugin.statusBarItemEl.detach()
+                        }
+                    }
+                    await this.plugin.saveSettings();
+                }));
+
+        new Setting(containerEl)
+            .setName('Enable notifications of plugin state changes')
+            .setDesc('The plugin can show notifications about its state changes: e.g. when successfully parsed and applied'
+                + ' the custom sorting specification, or, when the parsing failed. If the notifications are disabled,'
+                + ' the only indicator of plugin state is the ribbon button icon. The developer console presents the parsing'
+                + ' error messages regardless if the notifications are enabled or not.')
+            .addToggle(toggle => toggle
+                .setValue(this.plugin.settings.notificationsEnabled)
+                .onChange(async (value) => {
+                    this.plugin.settings.notificationsEnabled = value;
+                    await this.plugin.saveSettings();
+                }));
+
+        new Setting(containerEl)
+            .setName('Enable notifications of plugin state changes for mobile devices only')
+            .setDesc('See above.')
+            .addToggle(toggle => toggle
+                .setValue(this.plugin.settings.mobileNotificationsEnabled)
+                .onChange(async (value) => {
+                    this.plugin.settings.mobileNotificationsEnabled = value;
+                    await this.plugin.saveSettings();
+                }));
+
+        new Setting(containerEl)
+            .setName('Enable File Explorer context submenu`Custom sort:`')
+            .setDesc('Gives access to operations relevant for custom sorting, e.g. applying custom sorting.')
+            .addToggle(toggle => toggle
+                .setValue(this.plugin.settings.customSortContextSubmenu)
+                .onChange(async (value) => {
+                    this.plugin.settings.customSortContextSubmenu = value;
+                    await this.plugin.saveSettings();
+                }));
+
+        containerEl.createEl('h2', {text: 'Bookmarks integration'});
+        const bookmarksIntegrationDescription: DocumentFragment = sanitizeHTMLToDom(
+            'If enabled, order of files and folders in File Explorer will reflect the order '
+            + 'of bookmarked items in the bookmarks (core plugin) view. Automatically, without any '
+            + 'need for sorting configuration. At the same time, it integrates seamlessly with'
+            + ' <pre style="display: inline;">sorting-spec:</pre> configurations and they can nicely cooperate.'
+            + '<br>'
+            + '<p>To separate regular bookmarks from the bookmarks created for sorting, you can put '
+            + 'the latter in a separate dedicated bookmarks group. The default name of the group is '
+            + "'<i>" + DEFAULT_SETTINGS.bookmarksGroupToConsumeAsOrderingReference + "</i>' "
+            + 'and you can change the group name in the configuration field below.'
+            + '<br>'
+            + 'If left empty, all the bookmarked items will be used to impose the order in File Explorer.</p>'
+            + '<p>More information on this functionality in the '
+            + '<a href="https://github.com/SebastianMC/obsidian-custom-sort/blob/master/docs/manual.md#bookmarks-plugin-integration">'
+            + 'manual</a> of this custom-sort plugin.'
+            + '</p>'
+        )
+
+        new Setting(containerEl)
+            .setName('Automatic integration with core Bookmarks plugin (for indirect drag & drop ordering)')
+            .setDesc(bookmarksIntegrationDescription)
+            .addToggle(toggle => toggle
+                .setValue(this.plugin.settings.automaticBookmarksIntegration)
+                .onChange(async (value) => {
+                    this.plugin.settings.automaticBookmarksIntegration = value;
+                    await this.plugin.saveSettings();
+                }));
+
+        new Setting(containerEl)
+            .setName('Name of the group in Bookmarks from which to read the order of items')
+            .setDesc('See above.')
+            .addText(text => text
+                .setPlaceholder('e.g. Group for sorting')
+                .setValue(this.plugin.settings.bookmarksGroupToConsumeAsOrderingReference)
+                .onChange(async (value) => {
+                    value = groupNameForPath(value.trim()).trim()
+                    this.plugin.settings.bookmarksGroupToConsumeAsOrderingReference = value ? pathToFlatString(normalizePath(value)) : '';
+                    await this.plugin.saveSettings();
+                }));
+
+        const bookmarksIntegrationContextMenusDescription: DocumentFragment = sanitizeHTMLToDom(
+            'Enable <i>Custom-sort: bookmark for sorting</i> and <i>Custom-sort: bookmark+siblings for sorting</i> (and related) entries '
+            + 'in context menu in File Explorer'
+        )
+        new Setting(containerEl)
+            .setName('Context menus for Bookmarks integration')
+            .setDesc(bookmarksIntegrationContextMenusDescription)
+            .addToggle(toggle => toggle
+                .setValue(this.plugin.settings.bookmarksContextMenus)
+                .onChange(async (value) => {
+                    this.plugin.settings.bookmarksContextMenus = value;
+                    if (value) {
+                        this.plugin.settings.customSortContextSubmenu = true; // automatically enable custom sort context submenu
+                    }
+                    await this.plugin.saveSettings();
+                }))
+    }
+}