diff --git a/src/App.axaml b/src/App.axaml
index e5fae40..5af7411 100644
--- a/src/App.axaml
+++ b/src/App.axaml
@@ -1,11 +1,11 @@
 <Application xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             x:Class="ReceiptPDFBuilder.App"
-             xmlns:viewModels="clr-namespace:ReceiptPDFBuilder.ViewModels"
-             xmlns:views="clr-namespace:ReceiptPDFBuilder.Views"
+             x:Class="MayShow.App"
+             xmlns:viewModels="clr-namespace:MayShow.ViewModels"
+             xmlns:views="clr-namespace:MayShow.Views"
              xmlns:dialogHostAvalonia="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
              xmlns:behaviors="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
-             xmlns:helpers="clr-namespace:ReceiptPDFBuilder.Helpers"
+             xmlns:helpers="clr-namespace:MayShow.Helpers"
              RequestedThemeVariant="Default"
              Name="MayShow">
     <Application.Styles>
diff --git a/src/App.axaml.cs b/src/App.axaml.cs
index 90042c9..2936c5a 100644
--- a/src/App.axaml.cs
+++ b/src/App.axaml.cs
@@ -4,10 +4,10 @@ using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Interactivity;
 using Avalonia.Markup.Xaml;
 using DialogHostAvalonia;
-using ReceiptPDFBuilder;
-using ReceiptPDFBuilder.ViewModels;
+using MayShow;
+using MayShow.ViewModels;
 
-namespace ReceiptPDFBuilder;
+namespace MayShow;
 
 public partial class App : Application
 {
diff --git a/src/Helpers/ChangeNotifier.cs b/src/Helpers/ChangeNotifier.cs
index d2310d6..d1ac2fb 100644
--- a/src/Helpers/ChangeNotifier.cs
+++ b/src/Helpers/ChangeNotifier.cs
@@ -4,7 +4,7 @@ using System.ComponentModel;
 using System.Runtime.CompilerServices;
 using System.Text;
 
-namespace ReceiptPDFBuilder.Helpers
+namespace MayShow.Helpers
 {
 
     // https://docs.microsoft.com/en-us/dotnet/api/system.componentmodel.inotifypropertychanged?view=netframework-4.7.2
diff --git a/src/Helpers/Constants.cs b/src/Helpers/Constants.cs
index 262529d..38c604d 100644
--- a/src/Helpers/Constants.cs
+++ b/src/Helpers/Constants.cs
@@ -1,7 +1,7 @@
 
 using System;
 
-namespace ReceiptPDFBuilder.Helpers;
+namespace MayShow.Helpers;
 
 class Constants
 {
diff --git a/src/Helpers/DataGridDropHandler.cs b/src/Helpers/DataGridDropHandler.cs
index d0d0efc..7c6e426 100644
--- a/src/Helpers/DataGridDropHandler.cs
+++ b/src/Helpers/DataGridDropHandler.cs
@@ -3,10 +3,10 @@ using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.VisualTree;
 using Avalonia.Xaml.Interactions.DragAndDrop;
-using ReceiptPDFBuilder.Models;
-using ReceiptPDFBuilder.ViewModels;
+using MayShow.Models;
+using MayShow.ViewModels;
 
-namespace ReceiptPDFBuilder.Helpers;
+namespace MayShow.Helpers;
 
 class DataGridDropHandler : BaseDataGridDropHandler<ReportFile>
 {
diff --git a/src/Helpers/ListExtensions.cs b/src/Helpers/ListExtensions.cs
index 00bb4a5..9f9c074 100644
--- a/src/Helpers/ListExtensions.cs
+++ b/src/Helpers/ListExtensions.cs
@@ -2,7 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Threading;
 
-namespace ReceiptPDFBuilders.Helpers;
+namespace MayShows.Helpers;
 
 public static class ThreadSafeRandom
 {
diff --git a/src/Helpers/SourceGenerationContext.cs b/src/Helpers/SourceGenerationContext.cs
index 651ff6a..b370d61 100644
--- a/src/Helpers/SourceGenerationContext.cs
+++ b/src/Helpers/SourceGenerationContext.cs
@@ -1,7 +1,7 @@
 using System.Text.Json.Serialization;
-using ReceiptPDFBuilder.Models;
+using MayShow.Models;
 
-namespace ReceiptPDFBuilder.Helpers;
+namespace MayShow.Helpers;
 
 [JsonSerializable(typeof(Settings))]
 [JsonSerializable(typeof(ReportFile))]
diff --git a/src/Helpers/Utilities.cs b/src/Helpers/Utilities.cs
index ac32ff5..37ddd41 100644
--- a/src/Helpers/Utilities.cs
+++ b/src/Helpers/Utilities.cs
@@ -5,7 +5,7 @@ using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Text.RegularExpressions;
 
-namespace ReceiptPDFBuilders.Helpers;
+namespace MayShows.Helpers;
 
 class Utilities
 {
diff --git a/src/Interfaces/IChangeViewModel.cs b/src/Interfaces/IChangeViewModel.cs
index 79cd9c7..d992335 100644
--- a/src/Interfaces/IChangeViewModel.cs
+++ b/src/Interfaces/IChangeViewModel.cs
@@ -1,6 +1,6 @@
-using ReceiptPDFBuilder.ViewModels;
+using MayShow.ViewModels;
 
-namespace ReceiptPDFBuilder.Interfaces
+namespace MayShow.Interfaces
 {
     interface IChangeViewModel
     {
diff --git a/src/Interfaces/ITopLevelGrabber.cs b/src/Interfaces/ITopLevelGrabber.cs
index 117180f..9624d49 100644
--- a/src/Interfaces/ITopLevelGrabber.cs
+++ b/src/Interfaces/ITopLevelGrabber.cs
@@ -1,6 +1,6 @@
 using Avalonia.Controls;
 
-namespace ReceiptPDFBuilder.Interfaces
+namespace MayShow.Interfaces
 {
     interface ITopLevelGrabber
     {
diff --git a/src/MainWindow.axaml b/src/MainWindow.axaml
index 85b2aba..dfe33db 100644
--- a/src/MainWindow.axaml
+++ b/src/MainWindow.axaml
@@ -3,9 +3,9 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-        x:Class="ReceiptPDFBuilder.MainWindow"
+        x:Class="MayShow.MainWindow"
         Title="MayShow"
-        xmlns:vm="clr-namespace:ReceiptPDFBuilder.ViewModels"
+        xmlns:vm="clr-namespace:MayShow.ViewModels"
         xmlns:dialogHost="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
         x:DataType="vm:MainWindowViewModel"
         Width="800"
diff --git a/src/MainWindow.axaml.cs b/src/MainWindow.axaml.cs
index b44cf5e..7ef7402 100644
--- a/src/MainWindow.axaml.cs
+++ b/src/MainWindow.axaml.cs
@@ -1,8 +1,8 @@
 using Avalonia.Controls;
-using ReceiptPDFBuilder.Interfaces;
-using ReceiptPDFBuilder.ViewModels;
+using MayShow.Interfaces;
+using MayShow.ViewModels;
 
-namespace ReceiptPDFBuilder;
+namespace MayShow;
 
 public partial class MainWindow : Window, ITopLevelGrabber
 {
diff --git a/src/Models/PDFReport.cs b/src/Models/PDFReport.cs
index c039f13..3b0b769 100644
--- a/src/Models/PDFReport.cs
+++ b/src/Models/PDFReport.cs
@@ -5,9 +5,9 @@ using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Threading.Tasks;
-using ReceiptPDFBuilder.Helpers;
+using MayShow.Helpers;
 
-namespace ReceiptPDFBuilder.Models;
+namespace MayShow.Models;
 
 class PDFReport : ChangeNotifier
 {
diff --git a/src/Models/ReportFile.cs b/src/Models/ReportFile.cs
index 2dcacdc..7e6dc36 100644
--- a/src/Models/ReportFile.cs
+++ b/src/Models/ReportFile.cs
@@ -1,9 +1,9 @@
 using System;
 using System.IO;
 using System.Text.Json.Serialization;
-using ReceiptPDFBuilder.Helpers;
+using MayShow.Helpers;
 
-namespace ReceiptPDFBuilder.Models;
+namespace MayShow.Models;
 
 class ReportFile : ChangeNotifier
 {
diff --git a/src/Models/Settings.cs b/src/Models/Settings.cs
index 4690bb6..a627682 100644
--- a/src/Models/Settings.cs
+++ b/src/Models/Settings.cs
@@ -4,10 +4,10 @@ using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Threading.Tasks;
-using ReceiptPDFBuilder.Helpers;
-using ReceiptPDFBuilders.Helpers;
+using MayShow.Helpers;
+using MayShows.Helpers;
 
-namespace ReceiptPDFBuilder.Models;
+namespace MayShow.Models;
 
 class Settings : ChangeNotifier
 {
@@ -34,7 +34,7 @@ class Settings : ChangeNotifier
     {
         var path = Path.Combine(
             Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-            "ReceiptPDFBuilder"
+            "ReceiptPDFBuilder" // legacy name for existing settings prior to app name change
         );
         if (!Directory.Exists(path))
         {
diff --git a/src/Program.cs b/src/Program.cs
index 1a3b33c..2bae6ff 100644
--- a/src/Program.cs
+++ b/src/Program.cs
@@ -1,7 +1,7 @@
 using Avalonia;
 using System;
 
-namespace ReceiptPDFBuilder;
+namespace MayShow;
 
 class Program
 {
diff --git a/src/ViewModels/AboutViewModel.cs b/src/ViewModels/AboutViewModel.cs
index 8f9404f..7ff38d3 100644
--- a/src/ViewModels/AboutViewModel.cs
+++ b/src/ViewModels/AboutViewModel.cs
@@ -15,10 +15,10 @@ using MigraDoc.Rendering;
 using PdfSharp.Fonts;
 using PdfSharp.Pdf.IO;
 using PdfSharp.Snippets.Font;
-using ReceiptPDFBuilder.Interfaces;
-using ReceiptPDFBuilder.Models;
+using MayShow.Interfaces;
+using MayShow.Models;
 
-namespace ReceiptPDFBuilder.ViewModels;
+namespace MayShow.ViewModels;
 
 class AboutViewModel
 {
diff --git a/src/ViewModels/BaseViewModel.cs b/src/ViewModels/BaseViewModel.cs
index 1cdf405..bc5a82c 100644
--- a/src/ViewModels/BaseViewModel.cs
+++ b/src/ViewModels/BaseViewModel.cs
@@ -1,11 +1,11 @@
 using Avalonia.Controls;
-using ReceiptPDFBuilder.Helpers;
-using ReceiptPDFBuilder.Interfaces;
+using MayShow.Helpers;
+using MayShow.Interfaces;
 using System;
 using System.Collections.Generic;
 using System.Text;
 
-namespace ReceiptPDFBuilder.ViewModels
+namespace MayShow.ViewModels
 {
     class BaseViewModel : ChangeNotifier
     {
diff --git a/src/ViewModels/EditFileViewModel.cs b/src/ViewModels/EditFileViewModel.cs
index 5383e5e..e28760f 100644
--- a/src/ViewModels/EditFileViewModel.cs
+++ b/src/ViewModels/EditFileViewModel.cs
@@ -15,10 +15,10 @@ using MigraDoc.Rendering;
 using PdfSharp.Fonts;
 using PdfSharp.Pdf.IO;
 using PdfSharp.Snippets.Font;
-using ReceiptPDFBuilder.Interfaces;
-using ReceiptPDFBuilder.Models;
+using MayShow.Interfaces;
+using MayShow.Models;
 
-namespace ReceiptPDFBuilder.ViewModels;
+namespace MayShow.ViewModels;
 
 class EditFileViewModel : BaseViewModel
 {
diff --git a/src/ViewModels/MainViewModel.cs b/src/ViewModels/MainViewModel.cs
index c067d03..3d3ce0e 100644
--- a/src/ViewModels/MainViewModel.cs
+++ b/src/ViewModels/MainViewModel.cs
@@ -16,12 +16,12 @@ using MigraDoc.Rendering;
 using PdfSharp.Fonts;
 using PdfSharp.Pdf.IO;
 using PdfSharp.Snippets.Font;
-using ReceiptPDFBuilder.Helpers;
-using ReceiptPDFBuilder.Interfaces;
-using ReceiptPDFBuilder.Models;
-using ReceiptPDFBuilders.Helpers;
+using MayShow.Helpers;
+using MayShow.Interfaces;
+using MayShow.Models;
+using MayShows.Helpers;
 
-namespace ReceiptPDFBuilder.ViewModels;
+namespace MayShow.ViewModels;
 
 class MainViewModel : BaseViewModel, IFontResolver
 {
diff --git a/src/ViewModels/MainWindowViewModel.cs b/src/ViewModels/MainWindowViewModel.cs
index 40904d9..88deedf 100644
--- a/src/ViewModels/MainWindowViewModel.cs
+++ b/src/ViewModels/MainWindowViewModel.cs
@@ -1,10 +1,10 @@
-using ReceiptPDFBuilder.Helpers;
-using ReceiptPDFBuilder.Interfaces;
+using MayShow.Helpers;
+using MayShow.Interfaces;
 using System;
 using System.Collections.Generic;
 using System.Text;
 
-namespace ReceiptPDFBuilder.ViewModels
+namespace MayShow.ViewModels
 {
     class MainWindowViewModel : ChangeNotifier, IChangeViewModel
     {
diff --git a/src/ViewModels/WarningDeleteItemModel.cs b/src/ViewModels/WarningDeleteItemModel.cs
index cf45700..55eda08 100644
--- a/src/ViewModels/WarningDeleteItemModel.cs
+++ b/src/ViewModels/WarningDeleteItemModel.cs
@@ -1,8 +1,8 @@
 using DialogHostAvalonia;
-using ReceiptPDFBuilder.Helpers;
-using ReceiptPDFBuilder.Models;
+using MayShow.Helpers;
+using MayShow.Models;
 
-namespace ReceiptPDFBuilder.ViewModels
+namespace MayShow.ViewModels
 {
     class WarningDeleteItemModel : ChangeNotifier
     {
diff --git a/src/ViewModels/WarningViewModel.cs b/src/ViewModels/WarningViewModel.cs
index 087b04a..823834d 100644
--- a/src/ViewModels/WarningViewModel.cs
+++ b/src/ViewModels/WarningViewModel.cs
@@ -2,7 +2,7 @@
 
 using DialogHostAvalonia;
 
-namespace ReceiptPDFBuilder.ViewModels;
+namespace MayShow.ViewModels;
 
 class WarningViewModel
 {
diff --git a/src/Views/AboutView.axaml b/src/Views/AboutView.axaml
index f116199..3a5d94a 100644
--- a/src/Views/AboutView.axaml
+++ b/src/Views/AboutView.axaml
@@ -3,9 +3,9 @@
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="ReceiptPDFBuilder.Views.AboutView"
-             xmlns:models="clr-namespace:ReceiptPDFBuilder.Models"
-             xmlns:vm="clr-namespace:ReceiptPDFBuilder.ViewModels"
+             x:Class="MayShow.Views.AboutView"
+             xmlns:models="clr-namespace:MayShow.Models"
+             xmlns:vm="clr-namespace:MayShow.ViewModels"
              xmlns:dialogHost="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
              x:DataType="vm:AboutViewModel">
     <StackPanel Orientation="Vertical"
diff --git a/src/Views/AboutView.axaml.cs b/src/Views/AboutView.axaml.cs
index 2d56b73..bce6fab 100644
--- a/src/Views/AboutView.axaml.cs
+++ b/src/Views/AboutView.axaml.cs
@@ -3,7 +3,7 @@ using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Markup.Xaml;
 
-namespace ReceiptPDFBuilder.Views
+namespace MayShow.Views
 {
     public partial class AboutView : UserControl
     {
diff --git a/src/Views/EditFile.axaml b/src/Views/EditFile.axaml
index 2bf726c..9cc37c7 100644
--- a/src/Views/EditFile.axaml
+++ b/src/Views/EditFile.axaml
@@ -5,9 +5,9 @@
              mc:Ignorable="d"
              d:DesignWidth="800"
              d:DesignHeight="450"
-             x:Class="ReceiptPDFBuilder.Views.EditFile"
-             xmlns:models="clr-namespace:ReceiptPDFBuilder.Models"
-             xmlns:vm="clr-namespace:ReceiptPDFBuilder.ViewModels"
+             x:Class="MayShow.Views.EditFile"
+             xmlns:models="clr-namespace:MayShow.Models"
+             xmlns:vm="clr-namespace:MayShow.ViewModels"
              xmlns:dialogHost="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
              x:DataType="vm:EditFileViewModel">
     <ScrollViewer AllowAutoHide="False">
diff --git a/src/Views/EditFile.axaml.cs b/src/Views/EditFile.axaml.cs
index 2dd6c20..d866ba6 100644
--- a/src/Views/EditFile.axaml.cs
+++ b/src/Views/EditFile.axaml.cs
@@ -3,7 +3,7 @@ using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Markup.Xaml;
 
-namespace ReceiptPDFBuilder.Views
+namespace MayShow.Views
 {
     public partial class EditFile : UserControl
     {
diff --git a/src/Views/MainView.axaml b/src/Views/MainView.axaml
index 03120fc..e4796cd 100644
--- a/src/Views/MainView.axaml
+++ b/src/Views/MainView.axaml
@@ -3,11 +3,11 @@
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="ReceiptPDFBuilder.Views.MainView"
-             xmlns:helpers="clr-namespace:ReceiptPDFBuilder.Helpers"
-             xmlns:models="clr-namespace:ReceiptPDFBuilder.Models"
-             xmlns:views="clr-namespace:ReceiptPDFBuilder.Views"
-             xmlns:vm="clr-namespace:ReceiptPDFBuilder.ViewModels"
+             x:Class="MayShow.Views.MainView"
+             xmlns:helpers="clr-namespace:MayShow.Helpers"
+             xmlns:models="clr-namespace:MayShow.Models"
+             xmlns:views="clr-namespace:MayShow.Views"
+             xmlns:vm="clr-namespace:MayShow.ViewModels"
              xmlns:progRing="clr-namespace:AvaloniaProgressRing;assembly=AvaloniaProgressRing"
              x:DataType="vm:MainViewModel">
   <Grid ColumnDefinitions="*"
diff --git a/src/Views/MainView.axaml.cs b/src/Views/MainView.axaml.cs
index 463d5c0..17a093e 100644
--- a/src/Views/MainView.axaml.cs
+++ b/src/Views/MainView.axaml.cs
@@ -4,7 +4,7 @@ using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Markup.Xaml;
 
-namespace ReceiptPDFBuilder.Views
+namespace MayShow.Views
 {
     public partial class MainView : UserControl
     {
diff --git a/src/Views/WarningDeleteItem.axaml b/src/Views/WarningDeleteItem.axaml
index cb7e8c8..d7d8fb0 100644
--- a/src/Views/WarningDeleteItem.axaml
+++ b/src/Views/WarningDeleteItem.axaml
@@ -3,9 +3,9 @@
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="ReceiptPDFBuilder.Views.WarningDeleteItem"
-             xmlns:models="clr-namespace:ReceiptPDFBuilder.Models"
-             xmlns:vm="clr-namespace:ReceiptPDFBuilder.ViewModels"
+             x:Class="MayShow.Views.WarningDeleteItem"
+             xmlns:models="clr-namespace:MayShow.Models"
+             xmlns:vm="clr-namespace:MayShow.ViewModels"
              xmlns:dialogHost="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
              x:DataType="vm:WarningDeleteItemModel">
     <StackPanel HorizontalAlignment="Center"
diff --git a/src/Views/WarningDeleteItem.axaml.cs b/src/Views/WarningDeleteItem.axaml.cs
index 83a2c9f..872bab3 100644
--- a/src/Views/WarningDeleteItem.axaml.cs
+++ b/src/Views/WarningDeleteItem.axaml.cs
@@ -3,7 +3,7 @@ using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Markup.Xaml;
 
-namespace ReceiptPDFBuilder.Views
+namespace MayShow.Views
 {
     public partial class WarningDeleteItem : UserControl
     {
diff --git a/src/Views/WarningView.axaml b/src/Views/WarningView.axaml
index a284774..8c1057d 100644
--- a/src/Views/WarningView.axaml
+++ b/src/Views/WarningView.axaml
@@ -3,9 +3,9 @@
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="ReceiptPDFBuilder.Views.WarningView"
-             xmlns:models="clr-namespace:ReceiptPDFBuilder.Models"
-             xmlns:vm="clr-namespace:ReceiptPDFBuilder.ViewModels"
+             x:Class="MayShow.Views.WarningView"
+             xmlns:models="clr-namespace:MayShow.Models"
+             xmlns:vm="clr-namespace:MayShow.ViewModels"
              xmlns:dialogHost="clr-namespace:DialogHostAvalonia;assembly=DialogHost.Avalonia"
              x:DataType="vm:WarningViewModel">
     <StackPanel Orientation="Vertical"
diff --git a/src/Views/WarningView.axaml.cs b/src/Views/WarningView.axaml.cs
index d756045..73ed61c 100644
--- a/src/Views/WarningView.axaml.cs
+++ b/src/Views/WarningView.axaml.cs
@@ -3,7 +3,7 @@ using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Markup.Xaml;
 
-namespace ReceiptPDFBuilder.Views
+namespace MayShow.Views
 {
     public partial class WarningView : UserControl
     {
diff --git a/src/app.manifest b/src/app.manifest
index 266eadf..aa95e66 100644
--- a/src/app.manifest
+++ b/src/app.manifest
@@ -3,7 +3,7 @@
   <!-- This manifest is used on Windows only.
        Don't remove it as it might cause problems with window transparency and embedded controls.
        For more details visit https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests -->
-  <assemblyIdentity version="1.1.0.0" name="ReceiptPDFBuilder.Desktop"/>
+  <assemblyIdentity version="1.1.0.0" name="MayShow.Desktop"/>
 
   <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
     <application>