diff --git a/spfx-locale.xlsx b/spfx-locale.xlsx
index b984fb7..2ab986f 100644
Binary files a/spfx-locale.xlsx and b/spfx-locale.xlsx differ
diff --git a/src/WebPart/IWebPartProps.ts b/src/WebPart/IWebPartProps.ts
new file mode 100644
index 0000000..927cfb1
--- /dev/null
+++ b/src/WebPart/IWebPartProps.ts
@@ -0,0 +1,19 @@
+
+export interface IWebPartProps {
+  url: string;
+  startPage: string;
+  width: string;
+  height: string;
+  hideToolbars: boolean;
+  hideBorders: boolean;
+
+  hideDiagramBoundary: boolean;
+  disableHyperlinks: boolean;
+  disablePan: boolean;
+  disablePanZoomWindow: boolean;
+  disableZoom: boolean;
+
+  enableNavigation: boolean;
+
+  zoom: number;
+}
diff --git a/src/WebPart/TopFrame.tsx b/src/WebPart/TopFrame.tsx
index c852f24..7692421 100644
--- a/src/WebPart/TopFrame.tsx
+++ b/src/WebPart/TopFrame.tsx
@@ -1,7 +1,7 @@
 import * as React from 'react';
 import styles from './TopFrame.module.scss';
 import { WebPartContext } from '@microsoft/sp-webpart-base';
-import { IWebPartProps } from './WebPart';
+import { IWebPartProps } from "./IWebPartProps";
 import { Utils } from './Utils';
 import { Placeholder } from '../min-sp-controls-react/controls/placeholder';
 import { Breadcrumb, IBreadcrumbItem, MessageBar, MessageBarType, ThemeProvider } from '@fluentui/react';
diff --git a/src/WebPart/WebPart.ts b/src/WebPart/WebPart.ts
index 1561307..62b75c9 100644
--- a/src/WebPart/WebPart.ts
+++ b/src/WebPart/WebPart.ts
@@ -10,29 +10,11 @@ require('VisioEmbed');
 import * as strings from 'WebPartStrings';
 
 import { TopFrame } from './TopFrame';
-import { PropertyPaneVersionField } from './PropertyPaneVersionField';
-import { PropertyPaneUrlField } from './PropertyPaneUrlField';
-import { PropertyPaneSizeField } from './PropertyPaneSizeField';
-import { IDefaultFolder } from './IDefaultFolder';
-
-export interface IWebPartProps {
-  url: string;
-  startPage: string;
-  width: string;
-  height: string;
-  hideToolbars: boolean;
-  hideBorders: boolean;
-
-  hideDiagramBoundary: boolean;
-  disableHyperlinks: boolean;
-  disablePan: boolean;
-  disablePanZoomWindow: boolean;
-  disableZoom: boolean;
-
-  enableNavigation: boolean;
-
-  zoom: number;
-}
+import { PropertyPaneVersionField } from './properties/PropertyPaneVersionField';
+import { PropertyPaneUrlField } from './properties/PropertyPaneUrlField';
+import { PropertyPaneSizeField } from './properties/PropertyPaneSizeField';
+import { IDefaultFolder } from './properties/IDefaultFolder';
+import { IWebPartProps } from './IWebPartProps';
 
 export default class WebPart extends BaseClientSideWebPart<IWebPartProps> {
 
diff --git a/src/WebPart/IDefaultFolder.ts b/src/WebPart/properties/IDefaultFolder.ts
similarity index 100%
rename from src/WebPart/IDefaultFolder.ts
rename to src/WebPart/properties/IDefaultFolder.ts
diff --git a/src/WebPart/PropertyPaneSizeField.tsx b/src/WebPart/properties/PropertyPaneSizeField.tsx
similarity index 100%
rename from src/WebPart/PropertyPaneSizeField.tsx
rename to src/WebPart/properties/PropertyPaneSizeField.tsx
diff --git a/src/WebPart/PropertyPaneSizeFieldComponent.tsx b/src/WebPart/properties/PropertyPaneSizeFieldComponent.tsx
similarity index 100%
rename from src/WebPart/PropertyPaneSizeFieldComponent.tsx
rename to src/WebPart/properties/PropertyPaneSizeFieldComponent.tsx
diff --git a/src/WebPart/PropertyPaneUrlField.tsx b/src/WebPart/properties/PropertyPaneUrlField.tsx
similarity index 100%
rename from src/WebPart/PropertyPaneUrlField.tsx
rename to src/WebPart/properties/PropertyPaneUrlField.tsx
diff --git a/src/WebPart/PropertyPaneUrlFieldComponent.tsx b/src/WebPart/properties/PropertyPaneUrlFieldComponent.tsx
similarity index 94%
rename from src/WebPart/PropertyPaneUrlFieldComponent.tsx
rename to src/WebPart/properties/PropertyPaneUrlFieldComponent.tsx
index 8f35eee..30d0914 100644
--- a/src/WebPart/PropertyPaneUrlFieldComponent.tsx
+++ b/src/WebPart/properties/PropertyPaneUrlFieldComponent.tsx
@@ -1,5 +1,5 @@
 import * as React from 'react';
-import { FilePicker, IFilePickerResult } from './../min-sp-controls-react/controls/filePicker';
+import { FilePicker, IFilePickerResult } from '../../min-sp-controls-react/controls/filePicker';
 
 import { sp } from '@pnp/sp';
 import '@pnp/sp/webs';
@@ -7,7 +7,7 @@ import '@pnp/sp/folders';
 import '@pnp/sp/lists';
 import '@pnp/sp/files';
 import { WebPartContext } from '@microsoft/sp-webpart-base';
-import { FolderExplorer, IFolder } from '../min-sp-controls-react/controls/folderExplorer';
+import { FolderExplorer, IFolder } from '../../min-sp-controls-react/controls/folderExplorer';
 import { IDefaultFolder } from './IDefaultFolder';
 import { Stack } from '@fluentui/react/lib/Stack';
 import { Text } from '@fluentui/react/lib/Text';
@@ -101,7 +101,7 @@ export function PropertyPaneUrlFieldComponent(props: {
     <Stack tokens={{ childrenGap: 's2' }}>
       <FilePicker
         label={strings.VisioDocument}
-        accepts={[strings.UrlPickerExtensions]}
+        accepts={['.vsd', '.vsdx', '.vsdm']}
         buttonLabel={strings.UrlPickerBrowse}
         onSave={(filePickerResult: IFilePickerResult[]) => onUploadFile(filePickerResult)}
         onChange={(filePickerResult: IFilePickerResult[]) => onChangeFile(filePickerResult)}
diff --git a/src/WebPart/PropertyPaneVersionField.tsx b/src/WebPart/properties/PropertyPaneVersionField.tsx
similarity index 100%
rename from src/WebPart/PropertyPaneVersionField.tsx
rename to src/WebPart/properties/PropertyPaneVersionField.tsx
diff --git a/src/loc/de-de.js b/src/loc/de-de.js
index 693c3c3..ed2fb72 100644
--- a/src/loc/de-de.js
+++ b/src/loc/de-de.js
@@ -49,7 +49,6 @@ define([], function() {
     UploadTo: "Hochladen auf",
     UrlNotSelected: "Nicht ausgewählt",
     UrlPickerBrowse: "Öffnen...",
-    UrlPickerExtensions: ".vsd\", \".vsdx\", \".vsdm",
     View: "Ansicht",
     VisioDocument: "Visio Document"
   };
diff --git a/src/loc/en-us.js b/src/loc/en-us.js
index 4773809..bb4be70 100644
--- a/src/loc/en-us.js
+++ b/src/loc/en-us.js
@@ -49,7 +49,6 @@ define([], function() {
     UploadTo: "Upload To",
     UrlNotSelected: "Not selected",
     UrlPickerBrowse: "Browse...",
-    UrlPickerExtensions: ".vsd\", \".vsdx\", \".vsdm",
     View: "View",
     VisioDocument: "Visio Document"
   };
diff --git a/src/loc/strings.d.ts b/src/loc/strings.d.ts
index 8f3bb23..c172f63 100644
--- a/src/loc/strings.d.ts
+++ b/src/loc/strings.d.ts
@@ -49,7 +49,6 @@ declare interface IWebPartStrings {
   UploadTo: string;
   UrlNotSelected: string;
   UrlPickerBrowse: string;
-  UrlPickerExtensions: string;
   VisioDocument: string;
 }