diff --git a/Applications/Spreadsheet/CMakeLists.txt b/Applications/Spreadsheet/CMakeLists.txt
index e3c4a0766d..b9d854143f 100644
--- a/Applications/Spreadsheet/CMakeLists.txt
+++ b/Applications/Spreadsheet/CMakeLists.txt
@@ -5,6 +5,7 @@ set(SOURCES
     CellType/Numeric.cpp
     CellType/String.cpp
     CellType/Type.cpp
+    CellTypeDialog.cpp
     HelpWindow.cpp
     JSIntegration.cpp
     Spreadsheet.cpp
diff --git a/Applications/Spreadsheet/Cell.cpp b/Applications/Spreadsheet/Cell.cpp
index d7beec0bb3..3c01eaaace 100644
--- a/Applications/Spreadsheet/Cell.cpp
+++ b/Applications/Spreadsheet/Cell.cpp
@@ -60,12 +60,16 @@ void Cell::set_data(JS::Value new_data)
     evaluated_data = move(new_data);
 }
 
+void Cell::set_type(const CellType* type)
+{
+    m_type = type;
+}
+
 void Cell::set_type(const StringView& name)
 {
     auto* cell_type = CellType::get_by_name(name);
     if (cell_type) {
-        m_type = cell_type;
-        return;
+        return set_type(cell_type);
     }
 
     ASSERT_NOT_REACHED();
diff --git a/Applications/Spreadsheet/Cell.h b/Applications/Spreadsheet/Cell.h
index f7dd3c71dd..532cb5c6af 100644
--- a/Applications/Spreadsheet/Cell.h
+++ b/Applications/Spreadsheet/Cell.h
@@ -59,6 +59,7 @@ struct Cell : public Weakable<Cell> {
     void set_data(JS::Value new_data);
 
     void set_type(const StringView& name);
+    void set_type(const CellType*);
     void set_type_metadata(CellTypeMetadata&&);
 
     String typed_display() const;
diff --git a/Applications/Spreadsheet/CellType/Type.cpp b/Applications/Spreadsheet/CellType/Type.cpp
index 80933c1a3d..63d7cd7b4c 100644
--- a/Applications/Spreadsheet/CellType/Type.cpp
+++ b/Applications/Spreadsheet/CellType/Type.cpp
@@ -43,6 +43,14 @@ const CellType* CellType::get_by_name(const StringView& name)
     return s_cell_types.get(name).value_or(nullptr);
 }
 
+Vector<StringView> CellType::names()
+{
+    Vector<StringView> names;
+    for (auto& it : s_cell_types)
+        names.append(it.key);
+    return names;
+}
+
 CellType::CellType(const StringView& name)
 {
     ASSERT(!s_cell_types.contains(name));
diff --git a/Applications/Spreadsheet/CellType/Type.h b/Applications/Spreadsheet/CellType/Type.h
index 7ed9dbe763..cb07a8a262 100644
--- a/Applications/Spreadsheet/CellType/Type.h
+++ b/Applications/Spreadsheet/CellType/Type.h
@@ -29,6 +29,7 @@
 #include "../Forward.h"
 #include <AK/Forward.h>
 #include <AK/String.h>
+#include <LibGfx/TextAlignment.h>
 #include <LibJS/Forward.h>
 
 namespace Spreadsheet {
@@ -36,11 +37,13 @@ namespace Spreadsheet {
 struct CellTypeMetadata {
     int length { -1 };
     String format;
+    Gfx::TextAlignment alignment { Gfx::TextAlignment::CenterRight };
 };
 
 class CellType {
 public:
     static const CellType* get_by_name(const StringView&);
+    static Vector<StringView> names();
 
     virtual String display(Cell&, const CellTypeMetadata&) const = 0;
     virtual JS::Value js_value(Cell&, const CellTypeMetadata&) const = 0;
diff --git a/Applications/Spreadsheet/CellTypeDialog.cpp b/Applications/Spreadsheet/CellTypeDialog.cpp
new file mode 100644
index 0000000000..95b7e47cb4
--- /dev/null
+++ b/Applications/Spreadsheet/CellTypeDialog.cpp
@@ -0,0 +1,341 @@
+/*
+ * Copyright (c) 2020, the SerenityOS developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "CellTypeDialog.h"
+#include "Cell.h"
+#include "Spreadsheet.h"
+#include <AK/StringBuilder.h>
+#include <LibGUI/BoxLayout.h>
+#include <LibGUI/Button.h>
+#include <LibGUI/CheckBox.h>
+#include <LibGUI/ComboBox.h>
+#include <LibGUI/ItemListModel.h>
+#include <LibGUI/Label.h>
+#include <LibGUI/ListView.h>
+#include <LibGUI/SpinBox.h>
+#include <LibGUI/TabWidget.h>
+#include <LibGUI/TextEditor.h>
+#include <LibGUI/Widget.h>
+
+namespace Spreadsheet {
+
+CellTypeDialog::CellTypeDialog(const Vector<Position>& positions, Sheet& sheet, GUI::Window* parent)
+    : GUI::Dialog(parent)
+{
+    ASSERT(!positions.is_empty());
+
+    StringBuilder builder;
+
+    if (positions.size() == 1)
+        builder.appendf("Format Cell %s%zu", positions.first().column.characters(), positions.first().row);
+    else
+        builder.appendf("Format %zu Cells", positions.size());
+
+    set_title(builder.string_view());
+    resize(270, 360);
+
+    auto& main_widget = set_main_widget<GUI::Widget>();
+    main_widget.set_layout<GUI::VerticalBoxLayout>().set_margins({ 4, 4, 4, 4 });
+    main_widget.set_fill_with_background_color(true);
+
+    auto& tab_widget = main_widget.add<GUI::TabWidget>();
+    setup_tabs(tab_widget, positions, sheet);
+
+    auto& buttonbox = main_widget.add<GUI::Widget>();
+    buttonbox.set_preferred_size({ 0, 20 });
+    buttonbox.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
+    auto& button_layout = buttonbox.set_layout<GUI::HorizontalBoxLayout>();
+    button_layout.set_spacing(10);
+    button_layout.add_spacer();
+    auto& ok_button = buttonbox.add<GUI::Button>("OK");
+    ok_button.set_preferred_size({ 80, 0 });
+    ok_button.set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
+    ok_button.on_click = [&](auto) { done(ExecOK); };
+}
+
+const Vector<String> g_horizontal_alignments { "Left", "Center", "Right" };
+const Vector<String> g_vertical_alignments { "Top", "Center", "Bottom" };
+Vector<String> g_types;
+
+constexpr static CellTypeDialog::VerticalAlignment vertical_alignment_from(Gfx::TextAlignment alignment)
+{
+    switch (alignment) {
+    case Gfx::TextAlignment::CenterRight:
+    case Gfx::TextAlignment::CenterLeft:
+    case Gfx::TextAlignment::Center:
+        return CellTypeDialog::VerticalAlignment::Center;
+
+    case Gfx::TextAlignment::TopRight:
+    case Gfx::TextAlignment::TopLeft:
+        return CellTypeDialog::VerticalAlignment::Top;
+
+    case Gfx::TextAlignment::BottomRight:
+        return CellTypeDialog::VerticalAlignment::Bottom;
+    }
+
+    return CellTypeDialog::VerticalAlignment::Center;
+}
+
+constexpr static CellTypeDialog::HorizontalAlignment horizontal_alignment_from(Gfx::TextAlignment alignment)
+{
+    switch (alignment) {
+    case Gfx::TextAlignment::Center:
+        return CellTypeDialog::HorizontalAlignment::Center;
+
+    case Gfx::TextAlignment::CenterRight:
+    case Gfx::TextAlignment::TopRight:
+    case Gfx::TextAlignment::BottomRight:
+        return CellTypeDialog::HorizontalAlignment::Right;
+
+    case Gfx::TextAlignment::TopLeft:
+    case Gfx::TextAlignment::CenterLeft:
+        return CellTypeDialog::HorizontalAlignment::Left;
+    }
+
+    return CellTypeDialog::HorizontalAlignment::Right;
+}
+
+void CellTypeDialog::setup_tabs(GUI::TabWidget& tabs, const Vector<Position>& positions, Sheet& sheet)
+{
+    g_types.clear();
+    for (auto& type_name : CellType::names())
+        g_types.append(type_name);
+
+    Vector<Cell*> cells;
+    for (auto& position : positions) {
+        if (auto cell = sheet.at(position))
+            cells.append(cell);
+    }
+
+    if (cells.size() == 1) {
+        auto& cell = *cells.first();
+        m_format = cell.type_metadata().format;
+        m_length = cell.type_metadata().length;
+        m_type = &cell.type();
+        m_vertical_alignment = vertical_alignment_from(cell.type_metadata().alignment);
+        m_horizontal_alignment = horizontal_alignment_from(cell.type_metadata().alignment);
+    }
+
+    auto& type_tab = tabs.add_tab<GUI::Widget>("Type");
+    type_tab.set_layout<GUI::HorizontalBoxLayout>().set_margins({ 2, 2, 2, 2 });
+    {
+        auto& left_side = type_tab.add<GUI::Widget>();
+        left_side.set_layout<GUI::VerticalBoxLayout>();
+        auto& right_side = type_tab.add<GUI::Widget>();
+        right_side.set_layout<GUI::VerticalBoxLayout>();
+        right_side.set_preferred_size(170, 0);
+        right_side.set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
+
+        auto& type_list = left_side.add<GUI::ListView>();
+        type_list.set_model(*GUI::ItemListModel<String>::create(g_types));
+        type_list.set_multi_select(false);
+        type_list.set_should_hide_unnecessary_scrollbars(true);
+        type_list.on_selection = [&](auto& index) {
+            if (!index.is_valid()) {
+                m_type = nullptr;
+                return;
+            }
+
+            m_type = CellType::get_by_name(g_types.at(index.row()));
+        };
+
+        {
+            auto& checkbox = right_side.add<GUI::CheckBox>("Override max length");
+            auto& spinbox = right_side.add<GUI::SpinBox>();
+            checkbox.set_checked(m_length != -1);
+            spinbox.set_min(0);
+            spinbox.set_enabled(m_length != -1);
+            if (m_length > -1)
+                spinbox.set_value(m_length);
+
+            checkbox.set_preferred_size(0, 20);
+            spinbox.set_preferred_size(0, 20);
+            checkbox.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
+            spinbox.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
+
+            checkbox.on_checked = [&](auto checked) {
+                spinbox.set_enabled(checked);
+                if (!checked) {
+                    m_length = -1;
+                    spinbox.set_value(0);
+                }
+            };
+            spinbox.on_change = [&](auto value) {
+                m_length = value;
+            };
+        }
+        {
+            auto& checkbox = right_side.add<GUI::CheckBox>("Override display format");
+            auto& editor = right_side.add<GUI::TextEditor>();
+            checkbox.set_checked(!m_format.is_null());
+            editor.set_should_hide_unnecessary_scrollbars(true);
+            editor.set_enabled(!m_format.is_null());
+            editor.set_text(m_format);
+
+            checkbox.set_preferred_size(0, 20);
+            editor.set_preferred_size(0, 20);
+            checkbox.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
+            editor.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
+
+            checkbox.on_checked = [&](auto checked) {
+                editor.set_enabled(checked);
+                if (!checked)
+                    m_format = String::empty();
+                editor.set_text(m_format);
+            };
+            editor.on_change = [&] {
+                m_format = editor.text();
+            };
+        }
+    }
+
+    auto& alignment_tab = tabs.add_tab<GUI::Widget>("Alignment");
+    alignment_tab.set_layout<GUI::VerticalBoxLayout>().set_margins({ 2, 2, 2, 2 });
+
+    // FIXME: Frame?
+    // Horizontal alignment
+    {
+        auto& horizontal_alignment_selection_container = alignment_tab.add<GUI::Widget>();
+        horizontal_alignment_selection_container.set_layout<GUI::HorizontalBoxLayout>();
+        horizontal_alignment_selection_container.layout()->set_margins({ 0, 4, 0, 0 });
+        horizontal_alignment_selection_container.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
+        horizontal_alignment_selection_container.set_preferred_size(0, 22);
+
+        auto& horizontal_alignment_label = horizontal_alignment_selection_container.add<GUI::Label>();
+        horizontal_alignment_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
+        horizontal_alignment_label.set_text("Horizontal Text Alignment");
+
+        auto& horizontal_combobox = alignment_tab.add<GUI::ComboBox>();
+        horizontal_combobox.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
+        horizontal_combobox.set_preferred_size(0, 22);
+        horizontal_combobox.set_only_allow_values_from_model(true);
+        horizontal_combobox.set_model(*GUI::ItemListModel<String>::create(g_horizontal_alignments));
+        horizontal_combobox.set_selected_index((int)m_horizontal_alignment);
+        horizontal_combobox.on_change = [&](auto&, const GUI::ModelIndex& index) {
+            switch (index.row()) {
+            case 0:
+                m_horizontal_alignment = HorizontalAlignment::Left;
+                break;
+            case 1:
+                m_horizontal_alignment = HorizontalAlignment::Center;
+                break;
+            case 2:
+                m_horizontal_alignment = HorizontalAlignment::Right;
+                break;
+            default:
+                ASSERT_NOT_REACHED();
+            }
+        };
+    }
+
+    // Vertical alignment
+    {
+        auto& vertical_alignment_container = alignment_tab.add<GUI::Widget>();
+        vertical_alignment_container.set_layout<GUI::HorizontalBoxLayout>();
+        vertical_alignment_container.layout()->set_margins({ 0, 4, 0, 0 });
+        vertical_alignment_container.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
+        vertical_alignment_container.set_preferred_size(0, 22);
+
+        auto& vertical_alignment_label = vertical_alignment_container.add<GUI::Label>();
+        vertical_alignment_label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
+        vertical_alignment_label.set_text("Vertical Text Alignment");
+
+        auto& vertical_combobox = alignment_tab.add<GUI::ComboBox>();
+        vertical_combobox.set_size_policy(GUI::SizePolicy::Fill, GUI::SizePolicy::Fixed);
+        vertical_combobox.set_preferred_size(0, 22);
+        vertical_combobox.set_only_allow_values_from_model(true);
+        vertical_combobox.set_model(*GUI::ItemListModel<String>::create(g_vertical_alignments));
+        vertical_combobox.set_selected_index((int)m_vertical_alignment);
+        vertical_combobox.on_change = [&](auto&, const GUI::ModelIndex& index) {
+            switch (index.row()) {
+            case 0:
+                m_vertical_alignment = VerticalAlignment::Top;
+                break;
+            case 1:
+                m_vertical_alignment = VerticalAlignment::Center;
+                break;
+            case 2:
+                m_vertical_alignment = VerticalAlignment::Bottom;
+                break;
+            default:
+                ASSERT_NOT_REACHED();
+            }
+        };
+    }
+}
+
+CellTypeMetadata CellTypeDialog::metadata() const
+{
+    CellTypeMetadata metadata;
+    metadata.format = m_format;
+    metadata.length = m_length;
+
+    switch (m_vertical_alignment) {
+    case VerticalAlignment::Top:
+        switch (m_horizontal_alignment) {
+        case HorizontalAlignment::Left:
+            metadata.alignment = Gfx::TextAlignment::TopLeft;
+            break;
+        case HorizontalAlignment::Center:
+            metadata.alignment = Gfx::TextAlignment::Center; // TopCenter?
+            break;
+        case HorizontalAlignment::Right:
+            metadata.alignment = Gfx::TextAlignment::TopRight;
+            break;
+        }
+        break;
+    case VerticalAlignment::Center:
+        switch (m_horizontal_alignment) {
+        case HorizontalAlignment::Left:
+            metadata.alignment = Gfx::TextAlignment::CenterLeft;
+            break;
+        case HorizontalAlignment::Center:
+            metadata.alignment = Gfx::TextAlignment::Center;
+            break;
+        case HorizontalAlignment::Right:
+            metadata.alignment = Gfx::TextAlignment::CenterRight;
+            break;
+        }
+        break;
+    case VerticalAlignment::Bottom:
+        switch (m_horizontal_alignment) {
+        case HorizontalAlignment::Left:
+            metadata.alignment = Gfx::TextAlignment::CenterLeft; // BottomLeft?
+            break;
+        case HorizontalAlignment::Center:
+            metadata.alignment = Gfx::TextAlignment::Center;
+            break;
+        case HorizontalAlignment::Right:
+            metadata.alignment = Gfx::TextAlignment::BottomRight;
+            break;
+        }
+        break;
+    }
+
+    return metadata;
+}
+
+}
diff --git a/Applications/Spreadsheet/CellTypeDialog.h b/Applications/Spreadsheet/CellTypeDialog.h
new file mode 100644
index 0000000000..84ccbc8613
--- /dev/null
+++ b/Applications/Spreadsheet/CellTypeDialog.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2020, the SerenityOS developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include "CellType/Type.h"
+#include "Forward.h"
+#include <LibGUI/Dialog.h>
+
+namespace Spreadsheet {
+
+class CellTypeDialog : public GUI::Dialog {
+    C_OBJECT(CellTypeDialog);
+
+public:
+    CellTypeMetadata metadata() const;
+    const CellType* type() const { return m_type; }
+
+    enum class HorizontalAlignment : int {
+        Left = 0,
+        Center,
+        Right,
+    };
+    enum class VerticalAlignment : int {
+        Top = 0,
+        Center,
+        Bottom,
+    };
+
+private:
+    CellTypeDialog(const Vector<Position>&, Sheet&, GUI::Window* parent = nullptr);
+    void setup_tabs(GUI::TabWidget&, const Vector<Position>&, Sheet&);
+
+    const CellType* m_type { nullptr };
+
+    int m_length { -1 };
+    String m_format;
+    HorizontalAlignment m_horizontal_alignment { HorizontalAlignment::Right };
+    VerticalAlignment m_vertical_alignment { VerticalAlignment::Center };
+};
+
+}
diff --git a/Applications/Spreadsheet/SpreadsheetModel.cpp b/Applications/Spreadsheet/SpreadsheetModel.cpp
index c4c5c286a6..84eb2b7198 100644
--- a/Applications/Spreadsheet/SpreadsheetModel.cpp
+++ b/Applications/Spreadsheet/SpreadsheetModel.cpp
@@ -67,8 +67,13 @@ GUI::Variant SheetModel::data(const GUI::ModelIndex& index, GUI::ModelRole role)
         return cell->typed_display();
     }
 
-    if (role == GUI::ModelRole::TextAlignment)
-        return {};
+    if (role == GUI::ModelRole::TextAlignment) {
+        const auto* cell = m_sheet->at({ m_sheet->column(index.column()), (size_t)index.row() });
+        if (!cell)
+            return {};
+
+        return cell->type_metadata().alignment;
+    }
 
     if (role == GUI::ModelRole::ForegroundColor) {
         const auto* cell = m_sheet->at({ m_sheet->column(index.column()), (size_t)index.row() });
diff --git a/Applications/Spreadsheet/SpreadsheetView.cpp b/Applications/Spreadsheet/SpreadsheetView.cpp
index 9229993a5e..c1ae829046 100644
--- a/Applications/Spreadsheet/SpreadsheetView.cpp
+++ b/Applications/Spreadsheet/SpreadsheetView.cpp
@@ -25,9 +25,11 @@
  */
 
 #include "SpreadsheetView.h"
+#include "CellTypeDialog.h"
 #include "SpreadsheetModel.h"
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/HeaderView.h>
+#include <LibGUI/Menu.h>
 #include <LibGUI/ModelEditingDelegate.h>
 #include <LibGUI/Painter.h>
 #include <LibGUI/TableView.h>
@@ -112,6 +114,37 @@ SpreadsheetView::SpreadsheetView(Sheet& sheet)
     m_table_view->on_activation = [this](auto&) {
         m_table_view->move_cursor(GUI::AbstractView::CursorMovement::Down, GUI::AbstractView::SelectionUpdate::Set);
     };
+
+    m_table_view->on_context_menu_request = [&](const GUI::ModelIndex&, const GUI::ContextMenuEvent& event) {
+        // NOTE: We ignore the specific cell for now.
+        m_cell_range_context_menu->popup(event.screen_position());
+    };
+
+    m_cell_range_context_menu = GUI::Menu::construct();
+    m_cell_range_context_menu->add_action(GUI::Action::create("Type and Formatting...", [this](auto&) {
+        Vector<Position> positions;
+        for (auto& index : m_table_view->selection().indexes()) {
+            Position position { m_sheet->column(index.column()), (size_t)index.row() };
+            positions.append(move(position));
+        }
+
+        if (positions.is_empty()) {
+            auto& index = m_table_view->cursor_index();
+            Position position { m_sheet->column(index.column()), (size_t)index.row() };
+            positions.append(move(position));
+        }
+
+        auto dialog = CellTypeDialog::construct(positions, *m_sheet, window());
+        if (dialog->exec() == GUI::Dialog::ExecOK) {
+            for (auto& position : positions) {
+                auto& cell = m_sheet->ensure(position);
+                cell.set_type(dialog->type());
+                cell.set_type_metadata(dialog->metadata());
+            }
+
+            m_table_view->update();
+        }
+    }));
 }
 
 void SpreadsheetView::hide_event(GUI::HideEvent&)
diff --git a/Applications/Spreadsheet/SpreadsheetView.h b/Applications/Spreadsheet/SpreadsheetView.h
index 608493a4dd..8d175df37e 100644
--- a/Applications/Spreadsheet/SpreadsheetView.h
+++ b/Applications/Spreadsheet/SpreadsheetView.h
@@ -138,6 +138,7 @@ private:
 
     NonnullRefPtr<Sheet> m_sheet;
     RefPtr<GUI::TableView> m_table_view;
+    RefPtr<GUI::Menu> m_cell_range_context_menu;
 };
 
 }