diff --git a/SharepointToolbox/App.xaml.cs b/SharepointToolbox/App.xaml.cs
index 0746383..1e6d042 100644
--- a/SharepointToolbox/App.xaml.cs
+++ b/SharepointToolbox/App.xaml.cs
@@ -8,6 +8,8 @@ using SharepointToolbox.Infrastructure.Logging;
 using SharepointToolbox.Services;
 using SharepointToolbox.ViewModels;
 using SharepointToolbox.ViewModels.Tabs;
+using SharepointToolbox.Views.Dialogs;
+using SharepointToolbox.Views.Tabs;
 using System.Windows;
 
 namespace SharepointToolbox;
@@ -74,6 +76,8 @@ public partial class App : Application
         services.AddSingleton<MainWindowViewModel>();
         services.AddTransient<ProfileManagementViewModel>();
         services.AddTransient<SettingsViewModel>();
+        services.AddTransient<ProfileManagementDialog>();
+        services.AddTransient<SettingsView>();
         services.AddSingleton<MainWindow>();
     }
 }
diff --git a/SharepointToolbox/MainWindow.xaml.cs b/SharepointToolbox/MainWindow.xaml.cs
index 0e8c340..68ae713 100644
--- a/SharepointToolbox/MainWindow.xaml.cs
+++ b/SharepointToolbox/MainWindow.xaml.cs
@@ -1,6 +1,9 @@
 using System.Windows;
 using System.Windows.Controls;
+using Microsoft.Extensions.DependencyInjection;
 using SharepointToolbox.ViewModels;
+using SharepointToolbox.Views.Dialogs;
+using SharepointToolbox.Views.Tabs;
 
 namespace SharepointToolbox;
 
@@ -8,11 +11,18 @@ public partial class MainWindow : Window
 {
     private readonly MainWindowViewModel _viewModel;
 
-    public MainWindow(MainWindowViewModel viewModel)
+    public MainWindow(MainWindowViewModel viewModel, IServiceProvider serviceProvider)
     {
         InitializeComponent();
         _viewModel = viewModel;
         DataContext = viewModel;
+
+        // Wire profile management dialog factory
+        viewModel.OpenProfileManagementDialog = () => serviceProvider.GetRequiredService<ProfileManagementDialog>();
+
+        // Replace Settings tab placeholder with the DI-resolved SettingsView
+        SettingsTabItem.Content = serviceProvider.GetRequiredService<SettingsView>();
+
         Loaded += OnLoaded;
     }
 
diff --git a/SharepointToolbox/ViewModels/MainWindowViewModel.cs b/SharepointToolbox/ViewModels/MainWindowViewModel.cs
index 77b8097..7b2b7e6 100644
--- a/SharepointToolbox/ViewModels/MainWindowViewModel.cs
+++ b/SharepointToolbox/ViewModels/MainWindowViewModel.cs
@@ -1,4 +1,5 @@
 using System.Collections.ObjectModel;
+using System.Windows;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using CommunityToolkit.Mvvm.Messaging;
@@ -15,6 +16,9 @@ public partial class MainWindowViewModel : ObservableRecipient
     private readonly SessionManager _sessionManager;
     private readonly ILogger<MainWindowViewModel> _logger;
 
+    // Set by the view layer (MainWindow.xaml.cs) to open the dialog using DI
+    public Func<Window>? OpenProfileManagementDialog { get; set; }
+
     [ObservableProperty]
     private TenantProfile? _selectedProfile;
 
@@ -122,6 +126,12 @@ public partial class MainWindowViewModel : ObservableRecipient
 
     private void OpenProfileManagement()
     {
-        // Profile management dialog opened by View layer (plan 01-07)
+        if (OpenProfileManagementDialog == null) return;
+        var dialog = OpenProfileManagementDialog();
+        dialog.Owner = Application.Current.MainWindow;
+        dialog.ShowDialog();
+
+        // Reload profiles after dialog closes (modal — ShowDialog blocks until closed)
+        _ = LoadProfilesAsync();
     }
 }
diff --git a/SharepointToolbox/Views/Dialogs/ProfileManagementDialog.xaml b/SharepointToolbox/Views/Dialogs/ProfileManagementDialog.xaml
new file mode 100644
index 0000000..6be2e53
--- /dev/null
+++ b/SharepointToolbox/Views/Dialogs/ProfileManagementDialog.xaml
@@ -0,0 +1,60 @@
+<Window x:Class="SharepointToolbox.Views.Dialogs.ProfileManagementDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:loc="clr-namespace:SharepointToolbox.Localization"
+        Title="Manage Profiles" Width="500" Height="480"
+        WindowStartupLocation="CenterOwner" ShowInTaskbar="False"
+        ResizeMode="NoResize">
+  <Grid Margin="12">
+    <Grid.RowDefinitions>
+      <RowDefinition Height="Auto" />
+      <RowDefinition Height="*" />
+      <RowDefinition Height="Auto" />
+      <RowDefinition Height="Auto" />
+    </Grid.RowDefinitions>
+
+    <!-- Profile list -->
+    <Label Content="Profiles" Grid.Row="0" />
+    <ListBox Grid.Row="1" Margin="0,0,0,8"
+             ItemsSource="{Binding Profiles}"
+             SelectedItem="{Binding SelectedProfile}"
+             DisplayMemberPath="Name" />
+
+    <!-- Input fields -->
+    <Grid Grid.Row="2" Margin="0,0,0,8">
+      <Grid.ColumnDefinitions>
+        <ColumnDefinition Width="100" />
+        <ColumnDefinition Width="*" />
+      </Grid.ColumnDefinitions>
+      <Grid.RowDefinitions>
+        <RowDefinition Height="Auto" />
+        <RowDefinition Height="Auto" />
+        <RowDefinition Height="Auto" />
+      </Grid.RowDefinitions>
+      <Label Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[profile.name]}"
+             Grid.Row="0" Grid.Column="0" />
+      <TextBox Text="{Binding NewName, UpdateSourceTrigger=PropertyChanged}"
+               Grid.Row="0" Grid.Column="1" Margin="0,2" />
+      <Label Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[profile.url]}"
+             Grid.Row="1" Grid.Column="0" />
+      <TextBox Text="{Binding NewTenantUrl, UpdateSourceTrigger=PropertyChanged}"
+               Grid.Row="1" Grid.Column="1" Margin="0,2" />
+      <Label Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[profile.clientid]}"
+             Grid.Row="2" Grid.Column="0" />
+      <TextBox Text="{Binding NewClientId, UpdateSourceTrigger=PropertyChanged}"
+               Grid.Row="2" Grid.Column="1" Margin="0,2" />
+    </Grid>
+
+    <!-- Buttons -->
+    <StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Right">
+      <Button Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[profile.add]}"
+              Command="{Binding AddCommand}" Width="60" Margin="4,0" />
+      <Button Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[profile.rename]}"
+              Command="{Binding RenameCommand}" Width="60" Margin="4,0" />
+      <Button Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[profile.delete]}"
+              Command="{Binding DeleteCommand}" Width="60" Margin="4,0" />
+      <Button Content="Close" Width="60" Margin="4,0"
+              Click="CloseButton_Click" IsCancel="True" />
+    </StackPanel>
+  </Grid>
+</Window>
diff --git a/SharepointToolbox/Views/Dialogs/ProfileManagementDialog.xaml.cs b/SharepointToolbox/Views/Dialogs/ProfileManagementDialog.xaml.cs
new file mode 100644
index 0000000..e204b88
--- /dev/null
+++ b/SharepointToolbox/Views/Dialogs/ProfileManagementDialog.xaml.cs
@@ -0,0 +1,19 @@
+using System.Windows;
+using SharepointToolbox.ViewModels;
+
+namespace SharepointToolbox.Views.Dialogs;
+
+public partial class ProfileManagementDialog : Window
+{
+    public ProfileManagementDialog(ProfileManagementViewModel viewModel)
+    {
+        InitializeComponent();
+        DataContext = viewModel;
+        Loaded += async (_, _) => await viewModel.LoadAsync();
+    }
+
+    private void CloseButton_Click(object sender, RoutedEventArgs e)
+    {
+        Close();
+    }
+}