diff --git a/src/NebulaAuth/Core/DialogsController.cs b/src/NebulaAuth/Core/DialogsController.cs
index 8ee1339..7d8790c 100644
--- a/src/NebulaAuth/Core/DialogsController.cs
+++ b/src/NebulaAuth/Core/DialogsController.cs
@@ -73,6 +73,22 @@ public static class DialogsController
         return null;
     }
 
+    public static async Task<MafileImportDialogResult?> ShowMafileImportDialog(IEnumerable<string> groups,
+        int totalCount, int conflictCount)
+    {
+        var vm = new MafileImportDialogVM(groups, totalCount, conflictCount);
+        var content = new MafileImportDialog
+        {
+            DataContext = vm
+        };
+        var result = await DialogHost.Show(content);
+        return result is MafileImportDialogVM
+            ? new MafileImportDialogResult(
+                !vm.AddToGroup || string.IsNullOrWhiteSpace(vm.Group) ? null : vm.Group.Trim(),
+                vm.OverwriteConflicts)
+            : null;
+    }
+
     public static async Task<bool> ShowProxyManager()
     {
         var vm = new ProxyManagerVM();
@@ -174,4 +190,4 @@ public static class DialogsController
     }
 
     #endregion
-}
\ No newline at end of file
+}
diff --git a/src/NebulaAuth/Localization/dialogs.loc.json b/src/NebulaAuth/Localization/dialogs.loc.json
index 9749916..df5fecf 100644
--- a/src/NebulaAuth/Localization/dialogs.loc.json
+++ b/src/NebulaAuth/Localization/dialogs.loc.json
@@ -35,5 +35,67 @@
       "tr": "Değer girin",
       "kk": "Мән енгізіңіз"
     }
+  },
+  "MafileImportDialog": {
+    "Title": {
+      "en": "Mafile import",
+      "ru": "Импорт мафайлов",
+      "zh": "导入 mafile",
+      "uk": "Імпорт mafile",
+      "fr": "Import de mafiles",
+      "es": "Importación de mafiles",
+      "tr": "Mafile içe aktarma",
+      "kk": "Mafile импорттау"
+    },
+    "TotalCount": {
+      "en": "Mafiles to import",
+      "ru": "Мафайлов к импорту",
+      "zh": "要导入的 mafile：",
+      "uk": "Mafile до імпорту:",
+      "fr": "Mafiles à importer :",
+      "es": "Mafiles para importar:",
+      "tr": "İçe aktarılacak mafile:",
+      "kk": "Импортталатын mafile:"
+    },
+    "ConflictCount": {
+      "en": "Already exist",
+      "ru": "Уже существуют",
+      "zh": "已存在：",
+      "uk": "Уже існують:",
+      "fr": "Déjà existants :",
+      "es": "Ya existen:",
+      "tr": "Zaten mevcut:",
+      "kk": "Бұрыннан бар:"
+    },
+    "OverwriteConflicts": {
+      "en": "Overwrite conflicting mafiles",
+      "ru": "Перезаписать конфликтующие мафайлы",
+      "zh": "覆盖冲突的 mafile",
+      "uk": "Перезаписати конфліктні mafile",
+      "fr": "Remplacer les mafiles en conflit",
+      "es": "Sobrescribir mafiles en conflicto",
+      "tr": "Çakışan mafile'ların üzerine yaz",
+      "kk": "Қақтығысатын mafile файлдарын қайта жазу"
+    },
+    "AddToGroup": {
+      "en": "Add imported accounts to a group",
+      "ru": "Добавить импортированные аккаунты в группу",
+      "zh": "将导入的账号添加到组",
+      "uk": "Додати імпортовані акаунти до групи",
+      "fr": "Ajouter les comptes importés à un groupe",
+      "es": "Añadir las cuentas importadas a un grupo",
+      "tr": "İçe aktarılan hesapları bir gruba ekle",
+      "kk": "Импортталған аккаунттарды топқа қосу"
+    },
+    "GroupFieldHint": {
+      "en": "Existing or new group",
+      "ru": "Существующая или новая группа",
+      "zh": "现有或新组",
+      "uk": "Наявна або нова група",
+      "fr": "Groupe existant ou nouveau",
+      "es": "Grupo existente o nuevo",
+      "tr": "Mevcut veya yeni grup",
+      "kk": "Бар немесе жаңа топ"
+    }
   }
-}
\ No newline at end of file
+}
diff --git a/src/NebulaAuth/Localization/dialogs.settings.loc.json b/src/NebulaAuth/Localization/dialogs.settings.loc.json
index b6bd9a5..3ef9807 100644
--- a/src/NebulaAuth/Localization/dialogs.settings.loc.json
+++ b/src/NebulaAuth/Localization/dialogs.settings.loc.json
@@ -262,25 +262,25 @@
         "kk": "Дискке сақталмайды"
       }
     },
-    "LegacyMafileMode": {
-      "en": "Common mafiles format",
-      "ru": "Общепринятый формат мафайлов",
-      "zh": "常见的邮件文件格式",
-      "uk": "Загальноприйнятий формат мафайлів",
-      "fr": "Format de mafiles commun",
-      "es": "Formato común de mafiles",
-      "tr": "Ortak mafile formatı",
-      "kk": "Жалпы mafile форматы"
+    "ConfirmMafileImport": {
+      "en": "Ask confirmation when importing mafiles",
+      "ru": "Спрашивать подтверждение при импорте мафайлов",
+      "zh": "导入 mafile 时请求确认",
+      "uk": "Запитувати підтвердження під час імпорту mafile",
+      "fr": "Demander confirmation lors de l'import des mafiles",
+      "es": "Pedir confirmación al importar mafiles",
+      "tr": "Mafile içe aktarırken onay sor",
+      "kk": "Mafile импорттау кезінде растауды сұрау"
     },
-    "LegacyMafileModeHint": {
-      "en": "Save mafiles in compatibility format with Steam Desktop Authenticator and other applications",
-      "ru": "Сохранять мафайлы в старом формате для совместимости со Steam Desktop Authenticator и другими приложениями",
-      "zh": "以与 Steam 桌面认证器及其他应用程序兼容的格式保存 mafiles",
-      "uk": "Зберігати мафайли у старому форматі для сумісності зі Steam Desktop Authenticator та іншими додатками",
-      "fr": "Enregistrer les mafiles dans un format compatible avec Steam Desktop Authenticator et d'autres applications",
-      "es": "Guardar mafiles en formato compatible con Steam Desktop Authenticator y otras aplicaciones",
-      "tr": "Mafile'ları Steam Desktop Authenticator ve diğer uygulamalarla uyumlu formatta kaydet",
-      "kk": "Mafile файлдарын Steam Desktop Authenticator және басқа қолданбалармен үйлесімді форматта сақтау"
+    "ConfirmMafileImportHint": {
+      "en": "Allows selecting a group when importing maFiles. Does not affect showing the dialog when file conflicts occur",
+      "ru": "Позволяет выбрать группу при импорте maFiles. Не влияет на показ окна при конфликте файлов",
+      "zh": "允许在导入 maFiles 时选择分组。不影响发生文件冲突时窗口的显示",
+      "uk": "Дозволяє вибрати групу під час імпорту maFiles. Не впливає на показ вікна при конфлікті файлів",
+      "fr": "Permet de choisir un groupe lors de l'import des maFiles. N'affecte pas l'affichage de la fenêtre en cas de conflit de fichiers",
+      "es": "Permite seleccionar un grupo al importar maFiles. No afecta a la aparición de la ventana cuando hay conflictos de archivos",
+      "tr": "maFiles içe aktarılırken grup seçilmesine izin verir. Dosya çakışmalarında pencerenin gösterilmesini etkilemez",
+      "kk": "maFiles импорттау кезінде топ таңдауға мүмкіндік береді. Файл қайшылықтары болғанда терезенің көрсетілуіне әсер етпейді"
     },
     "AllowAutoUpdate": {
       "en": "Allow auto update",
@@ -333,4 +333,4 @@
       "kk": "Steam техникалық жұмыстар жүргізген кезде әр сейсенбіде (GMT бойынша сәрсенбі түні) пайда болатын және авторастау таймерлерін қажетсіз өшіретін қателерді елемеу"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/src/NebulaAuth/Localization/mainwindow.loc.json b/src/NebulaAuth/Localization/mainwindow.loc.json
index ca22364..8a54a68 100644
--- a/src/NebulaAuth/Localization/mainwindow.loc.json
+++ b/src/NebulaAuth/Localization/mainwindow.loc.json
@@ -101,16 +101,6 @@
         "tr": "Onay hatası",
         "kk": "Растау қатесі"
       },
-      "ConfirmMafileOverwrite": {
-        "ru": "Внимание, мафайл(-ы) уже присутствует в папке mafiles.\r\nПерезаписать мафайлы, которые конфликтуют?",
-        "en": "Attention, mafile(-s) already exists in mafiles folder.\r\nOverwrite conflicting mafiles?",
-        "zh": "注意，mafile 已经存在于 mafiles 文件夹中。\r\n覆盖冲突的 mafiles 吗？",
-        "uk": "Увага, мафайл(-и) вже присутній у папці mafiles.\r\nПерезаписати мафайли, які конфліктують?",
-        "fr": "Attention, mafiles déjà présents dans le dossier mafiles.\r\nRemplacer les mafiles en conflit?",
-        "es": "Atención, los mafiles ya existen en la carpeta mafiles.\r\n¿Sobrescribir los mafiles en conflicto?",
-        "tr": "Dikkat, mafile(ler) zaten mafiles klasöründe mevcut.\r\nÇakışan mafile'lar üzerine yazılsın mı?",
-        "kk": "Назар аударыңыз, mafile(дер) mafiles қалтасында бар.\r\nҚайшылық тудырған mafile файлдарының үстінен жазу керек пе?"
-      },
       "MafileImportError": {
         "ru": "Ошибка при импорте мафайла",
         "en": "Mafile import error",
diff --git a/src/NebulaAuth/Model/NebulaSerializer.cs b/src/NebulaAuth/Model/NebulaSerializer.cs
index 7908887..26aa14a 100644
--- a/src/NebulaAuth/Model/NebulaSerializer.cs
+++ b/src/NebulaAuth/Model/NebulaSerializer.cs
@@ -85,11 +85,6 @@ public static class NebulaSerializer
 
     public static string SerializeMafile(MobileDataExtended data, Dictionary<string, object?>? properties)
     {
-        if (Settings.Instance.LegacyMode)
-        {
-            return MafileSerializer.SerializeLegacy(data, Serializer.Settings.SerializationOptions, properties);
-        }
-
-        return Serializer.Serialize(data);
+        return MafileSerializer.SerializeLegacy(data, Serializer.Settings.SerializationOptions, properties);
     }
-}
\ No newline at end of file
+}
diff --git a/src/NebulaAuth/Model/Settings.cs b/src/NebulaAuth/Model/Settings.cs
index afa052b..130a387 100644
--- a/src/NebulaAuth/Model/Settings.cs
+++ b/src/NebulaAuth/Model/Settings.cs
@@ -91,7 +91,7 @@ public partial class Settings : ObservableObject
     [ObservableProperty] private Color? _iconColor;
     [ObservableProperty] private bool _isPasswordSet;
     [ObservableProperty] private LocalizationLanguage _language = LocalizationLanguage.English;
-    [ObservableProperty] private bool _legacyMode = true;
+    [ObservableProperty] private bool _confirmMafileImport = true;
     [ObservableProperty] private bool _allowAutoUpdate;
     [ObservableProperty] private bool _useAccountNameAsMafileName;
 
@@ -127,4 +127,4 @@ public enum ThemeType
     Light = 2,
     Luxury = 3,
     Shadcn = 4
-}
\ No newline at end of file
+}
diff --git a/src/NebulaAuth/View/Dialogs/MafileImportDialog.xaml b/src/NebulaAuth/View/Dialogs/MafileImportDialog.xaml
new file mode 100644
index 0000000..9645356
--- /dev/null
+++ b/src/NebulaAuth/View/Dialogs/MafileImportDialog.xaml
@@ -0,0 +1,129 @@
+<UserControl x:Class="NebulaAuth.View.Dialogs.MafileImportDialog"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+             mc:Ignorable="d"
+             Height="Auto" Width="Auto" MaxWidth="520"
+             Background="{DynamicResource WindowBackground}">
+    <Grid MinHeight="240" MinWidth="440">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+
+        <Grid Margin="10,10,10,5">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="*" />
+                <ColumnDefinition Width="Auto" />
+            </Grid.ColumnDefinitions>
+            <TextBlock FontStyle="Normal" Foreground="{DynamicResource BaseContentBrush}"
+                       HorizontalAlignment="Left"
+                       VerticalAlignment="Center" FontSize="18" Text="{Tr MafileImportDialog.Title}" />
+            <Button Grid.Column="1" Width="30" Height="30" Style="{StaticResource MaterialDesignIconForegroundButton}"
+                    HorizontalAlignment="Right" CommandParameter="{x:Null}"
+                    Command="{x:Static materialDesign:DialogHost.CloseDialogCommand}">
+                <materialDesign:PackIcon Kind="Close" Width="24" Height="24" Foreground="IndianRed" />
+            </Button>
+        </Grid>
+
+        <Separator Grid.Row="1" Opacity="0.7" />
+
+        <Grid Grid.Row="2" Margin="14,14,14,16">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="Auto" />
+            </Grid.RowDefinitions>
+
+            <Border Margin="6,0,6,12" Padding="12,10"
+                    CornerRadius="8"
+                    BorderThickness="1">
+                <Border.Background>
+                    <SolidColorBrush Color="{DynamicResource BaseContentColor}" Opacity="0.07"/>
+                </Border.Background>
+                <Border.BorderBrush>
+                    <SolidColorBrush Color="{DynamicResource BaseContentColor}" Opacity="0.12"/>
+                </Border.BorderBrush>
+                <Grid>
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition />
+                        <ColumnDefinition Width="Auto" />
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="Auto" />
+                        <RowDefinition Height="Auto" />
+                    </Grid.RowDefinitions>
+
+                    <TextBlock Text="{Tr MafileImportDialog.TotalCount}" Opacity="0.82" />
+                    <TextBlock Grid.Column="1" Text="{Binding TotalCount, Mode=OneWay}" FontWeight="SemiBold" />
+
+                    <TextBlock Grid.Row="1" Text="{Tr MafileImportDialog.ConflictCount}" Opacity="0.82"
+                               Visibility="{Binding HasConflicts, Converter={StaticResource BooleanToVisibilityConverter}}" />
+                    <TextBlock Grid.Row="1" Grid.Column="1" Text="{Binding ConflictCount, Mode=OneWay}"
+                               FontWeight="SemiBold"
+                               Foreground="{DynamicResource WarningBrush}"
+                               Visibility="{Binding HasConflicts, Converter={StaticResource BooleanToVisibilityConverter}}" />
+                </Grid>
+            </Border>
+
+            <CheckBox Grid.Row="1"
+                      Margin="10,4,10,8"
+                      IsChecked="{Binding OverwriteConflicts}"
+                      Visibility="{Binding HasConflicts, Converter={StaticResource BooleanToVisibilityConverter}}"
+                      Content="{Tr MafileImportDialog.OverwriteConflicts}" />
+
+            <Separator Grid.Row="2"
+                       Margin="10,2,10,2" Opacity="0.35"
+                       Visibility="{Binding HasConflicts, Converter={StaticResource BooleanToVisibilityConverter}}" />
+
+            <CheckBox Grid.Row="3"
+                      Margin="10,4,10,0"
+                      IsChecked="{Binding AddToGroup}"
+                      Content="{Tr MafileImportDialog.AddToGroup}" />
+
+            <ComboBox x:Name="GroupBox"
+                      Grid.Row="4"
+                      Margin="42,0,10,0"
+                      IsEditable="True"
+                      ItemsSource="{Binding Groups}"
+                      
+                      Text="{Binding Group, UpdateSourceTrigger=PropertyChanged}"
+                      materialDesign:HintAssist.Hint="{Tr MafileImportDialog.GroupFieldHint}"
+                      materialDesign:HintAssist.IsFloating="False"
+                      Visibility="{Binding AddToGroup, Converter={StaticResource BooleanToVisibilityConverter}}"
+                      Style="{StaticResource MaterialDesignFloatingHintComboBox}"
+                   
+                      />
+
+            <Grid Grid.Row="5" Margin="10,16,10,5">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition />
+                    <ColumnDefinition />
+                </Grid.ColumnDefinitions>
+                <Button Width="130"
+                        HorizontalAlignment="Left"
+                        Margin="2,0,4,0"
+                        Style="{StaticResource MaterialDesignFlatDarkBgButton}"
+                        Command="{x:Static materialDesign:DialogHost.CloseDialogCommand}"
+                        CommandParameter="{Binding}"
+                        Content="{Tr Common.OK}"
+                        IsDefault="True" />
+                <Button Grid.Column="1"
+                        HorizontalAlignment="Right"
+                        Width="130"
+                        Margin="0,0,2,0"
+                        Style="{StaticResource MaterialDesignOutlinedButton}"
+                        Command="{x:Static materialDesign:DialogHost.CloseDialogCommand}"
+                        CommandParameter="{x:Null}"
+                        Content="{Tr Common.Cancel}"
+                        IsCancel="True" />
+            </Grid>
+        </Grid>
+    </Grid>
+</UserControl>
diff --git a/src/NebulaAuth/View/Dialogs/MafileImportDialog.xaml.cs b/src/NebulaAuth/View/Dialogs/MafileImportDialog.xaml.cs
new file mode 100644
index 0000000..bad4ba3
--- /dev/null
+++ b/src/NebulaAuth/View/Dialogs/MafileImportDialog.xaml.cs
@@ -0,0 +1,9 @@
+namespace NebulaAuth.View.Dialogs;
+
+public partial class MafileImportDialog
+{
+    public MafileImportDialog()
+    {
+        InitializeComponent();
+    }
+}
diff --git a/src/NebulaAuth/View/SettingsView.xaml b/src/NebulaAuth/View/SettingsView.xaml
index b0015e6..310844f 100644
--- a/src/NebulaAuth/View/SettingsView.xaml
+++ b/src/NebulaAuth/View/SettingsView.xaml
@@ -59,9 +59,9 @@
                                   Content="{Tr SettingsDialog.MinimizeToTray}" />
 
 
-                        <CheckBox Margin="0,5,0,0" IsChecked="{Binding LegacyMode}"
-                                  Content="{Tr SettingsDialog.LegacyMafileMode}"
-                                  ToolTip="{Tr SettingsDialog.LegacyMafileModeHint}" />
+                        <CheckBox Margin="0,5,0,0" IsChecked="{Binding ConfirmMafileImport}"
+                                  Content="{Tr SettingsDialog.ConfirmMafileImport}"
+                                  ToolTip="{Tr SettingsDialog.ConfirmMafileImportHint}" />
                         <!--<CheckBox IsEnabled="False"  Margin="0,10,0,0"  FontSize="16" IsChecked="{Binding AllowAutoUpdate}" Content="{Tr SettingsDialog.AllowAutoUpdate}"/>-->
 
                         <!--<CheckBox Margin="0,12,0,0"  IsChecked="{Binding UseAccountNameAsMafileName}">
@@ -196,4 +196,4 @@
             </TabControl>
         </Grid>
     </Grid>
-</UserControl>
\ No newline at end of file
+</UserControl>
diff --git a/src/NebulaAuth/ViewModel/MainVM_File.cs b/src/NebulaAuth/ViewModel/MainVM_File.cs
index 3717a69..8825736 100644
--- a/src/NebulaAuth/ViewModel/MainVM_File.cs
+++ b/src/NebulaAuth/ViewModel/MainVM_File.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Collections.Specialized;
 using System.Diagnostics;
 using System.IO;
@@ -76,10 +77,11 @@ public partial class MainVM //File //TODO: Refactor
             : Task.CompletedTask;
     }
 
+    //TODO: extract flow and refactor, this method is too long and does too many things
     public async Task AddMafile(string[] path)
     {
-        bool? confirmOverwrite = null;
         var summary = new MafileImportSummary();
+        var items = new List<MafileImportPlanItem>();
         SDAEncryptionHelper.Context? sdaContext = null;
         var sdaPasswordPrompted = false;
         foreach (var str in path)
@@ -95,16 +97,7 @@ public partial class MainVM //File //TODO: Refactor
                     continue;
                 }
 
-                var overwrite = confirmOverwrite ?? false;
-                var res = await Storage.AddNewMafileFromData(mafile, overwrite);
-                if (res == AddMafileResult.AlreadyExist && confirmOverwrite == null)
-                {
-                    confirmOverwrite =
-                        await DialogsController.ShowConfirmCancelDialog(GetLocalization("ConfirmMafileOverwrite"));
-                    res = await Storage.AddNewMafileFromData(mafile, confirmOverwrite.Value);
-                }
-
-                summary.Apply(res);
+                items.Add(new MafileImportPlanItem(mafile, false, HasImportConflict(mafile)));
             }
             catch (FormatException)
             {
@@ -114,18 +107,11 @@ public partial class MainVM //File //TODO: Refactor
             {
                 if (path.Length == 1 && ex.Mafile != null)
                 {
-                    var mafile = ex.Mafile;
-                    if (await HandleAddMafileWithoutSession(mafile))
-                    {
-                        summary.AddedOne();
-                    }
-                    else
-                    {
-                        summary.ErrorOne();
-                    }
+                    items.Add(new MafileImportPlanItem(ex.Mafile, true, HasImportConflict(ex.Mafile)));
                 }
                 else
                 {
+                    summary.ErrorOne();
                     SnackbarController.SendSnackbar(
                         $"{GetLocalization("MafileImportError")} {Path.GetFileName(str)}{GetLocalization("MissingSessionInMafile")}",
                         TimeSpan.FromSeconds(4));
@@ -133,9 +119,78 @@ public partial class MainVM //File //TODO: Refactor
             }
         }
 
+        if (items.Count == 0)
+        {
+            ShowImportSummary(summary);
+            return;
+        }
+
+        var conflictCount = items.Count(i => i.HasConflict);
+        var showImportDialog = Settings.ConfirmMafileImport || conflictCount > 0;
+        MafileImportDialogResult? importOptions = null;
+        if (showImportDialog)
+        {
+            importOptions = await DialogsController.ShowMafileImportDialog(Groups, items.Count, conflictCount);
+            if (importOptions == null)
+            {
+                SnackbarController.SendSnackbar(LocManager.GetCommonOrDefault("Canceled", "Canceled"));
+                return;
+            }
+        }
+
+        var importGroup = importOptions?.Group;
+        var overwriteConflicts = importOptions?.OverwriteConflicts ?? false;
+        foreach (var item in items)
+        {
+            ApplyImportGroup(item.Mafile, importGroup);
+            if (item.RequiresRelogin)
+            {
+                if (item.HasConflict && !overwriteConflicts)
+                {
+                    summary.SkippedOne();
+                    continue;
+                }
+
+                if (await HandleAddMafileWithoutSession(item.Mafile))
+                {
+                    summary.AddedOne();
+                }
+                else
+                {
+                    summary.ErrorOne();
+                }
+
+                continue;
+            }
+
+            var res = await Storage.AddNewMafileFromData(item.Mafile, overwriteConflicts);
+            summary.Apply(res);
+        }
+
+        if (summary.Added > 0)
+        {
+            QueryGroups();
+            if (!string.IsNullOrWhiteSpace(importGroup))
+            {
+                SelectedGroup = importGroup;
+            }
+        }
+
         ShowImportSummary(summary);
     }
 
+    private static void ApplyImportGroup(Mafile mafile, string? group)
+    {
+        if (string.IsNullOrWhiteSpace(group)) return;
+        mafile.Group = group;
+    }
+
+    private static bool HasImportConflict(Mafile mafile)
+    {
+        var fileName = MafilesStorageHelper.CreateMafileFileName(mafile, Settings.Instance.UseAccountNameAsMafileName);
+        return File.Exists(Path.Combine(Storage.MafilesDirectory, fileName));
+    }
+
 
     private async Task<MafileReadResult> TryReadMafile(string path, SDAEncryptionHelper.Context? sdaContext,
         bool sdaPasswordPrompted)
@@ -218,6 +273,7 @@ public partial class MainVM //File //TODO: Refactor
 
         var result = data.SessionData != null;
         if (!result) return result;
+        data.Filename = null;
         await Storage.SaveMafileAsync(data);
         {
             ResetQuery();
@@ -352,4 +408,11 @@ public partial class MainVM //File //TODO: Refactor
         if (mafile is not Mafile maf) return false;
         return maf.Password != null && PHandler.IsPasswordSet;
     }
-}
\ No newline at end of file
+
+    private record MafileReadResult(
+        Mafile? Mafile,
+        bool SdaPasswordPrompted,
+        SDAEncryptionHelper.Context? SdaContext);
+
+    private record MafileImportPlanItem(Mafile Mafile, bool RequiresRelogin, bool HasConflict);
+}
diff --git a/src/NebulaAuth/ViewModel/Other/SettingsVM.cs b/src/NebulaAuth/ViewModel/Other/SettingsVM.cs
index b815ec6..5d9a67c 100644
--- a/src/NebulaAuth/ViewModel/Other/SettingsVM.cs
+++ b/src/NebulaAuth/ViewModel/Other/SettingsVM.cs
@@ -168,10 +168,10 @@ public partial class SettingsVM : ObservableObject
         }
     }
 
-    public bool LegacyMode
+    public bool ConfirmMafileImport
     {
-        get => Settings.LegacyMode;
-        set => Settings.LegacyMode = value;
+        get => Settings.ConfirmMafileImport;
+        set => Settings.ConfirmMafileImport = value;
     }
 
     public bool AllowAutoUpdate
@@ -249,4 +249,4 @@ public partial class SettingsVM : ObservableObject
     }
 
     #endregion
-}
\ No newline at end of file
+}