done

Plugin.cs

@@ -16,14 +16,17 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 using System.IO;
+using System.Linq;
 using System.Windows;
-using System.Windows.Controls;
 using QuickLook.Common.Plugin;
 
 namespace QuickLook.Plugin.OfficeViewer
 {
     public class Plugin : IViewer
     {
+        private readonly string[] _formats =
+            {".doc", ".docm", ".docx", ".rtf", ".xls", ".xlsx", ".xlsm", ".pptx", ".pptm", ".potx", ".potm"};
+
         public int Priority => 0;
 
         public void Init()
@@ -33,17 +36,17 @@ public void Init()
 
         public bool CanHandle(string path)
         {
-            return !Directory.Exists(path) && path.ToLower().EndsWith(".docx");
+            return !Directory.Exists(path) && _formats.Contains(Path.GetExtension(path).ToLower());
         }
 
         public void Prepare(string path, ContextObject context)
         {
-            context.PreferredSize = new Size {Width = 600, Height = 400};
+            context.SetPreferredSizeFit(new Size {Width = 1920, Height = 1440}, 0.9);
         }
 
         public void View(string path, ContextObject context)
         {
-            var viewer = SyncfusionControl.OpenWord(path);
+            var viewer = SyncfusionControl.Open(path);
 
             context.ViewerContent = viewer;
             context.Title = $"{Path.GetFileName(path)}";

QuickLook.Plugin.OfficeViewer.csproj

@@ -56,12 +56,19 @@
     </AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="QuickLook.Plugin.PDFViewer">
+      <HintPath>QuickLook.Plugin.PDFViewer\QuickLook.Plugin.PDFViewer.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="Syncfusion.Compression.Base, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
       <HintPath>packages\Syncfusion.Compression.Base.16.2.0.50\lib\net46\Syncfusion.Compression.Base.dll</HintPath>
     </Reference>
     <Reference Include="Syncfusion.DocIO.Base, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
       <HintPath>packages\Syncfusion.DocIO.Base.16.2.0.50\lib\net46\Syncfusion.DocIO.Base.dll</HintPath>
     </Reference>
+    <Reference Include="Syncfusion.ExcelChartToImageConverter.Wpf, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>packages\Syncfusion.ExcelChartToImageConverter.WPF.16.2.0.50\lib\net46\Syncfusion.ExcelChartToImageConverter.Wpf.dll</HintPath>
+    </Reference>
     <Reference Include="Syncfusion.Licensing, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=632609b4d040f6b4, processorArchitecture=MSIL">
       <HintPath>packages\Syncfusion.Licensing.16.2.0.50\lib\net46\Syncfusion.Licensing.dll</HintPath>
     </Reference>
@@ -71,6 +78,15 @@
     <Reference Include="Syncfusion.OfficeChartToImageConverter.Wpf, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
       <HintPath>packages\Syncfusion.OfficeChartToImageConverter.Wpf.16.2.0.50\lib\net46\Syncfusion.OfficeChartToImageConverter.Wpf.dll</HintPath>
     </Reference>
+    <Reference Include="Syncfusion.Pdf.Base, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>packages\Syncfusion.Pdf.Base.16.2.0.50\lib\net46\Syncfusion.Pdf.Base.dll</HintPath>
+    </Reference>
+    <Reference Include="Syncfusion.Presentation.Base, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>packages\Syncfusion.Presentation.Base.16.2.0.50\lib\net46\Syncfusion.Presentation.Base.dll</HintPath>
+    </Reference>
+    <Reference Include="Syncfusion.PresentationToPdfConverter.Base, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>packages\Syncfusion.PresentationToPdfConverter.Base.16.2.0.50\lib\net46\Syncfusion.PresentationToPdfConverter.Base.dll</HintPath>
+    </Reference>
     <Reference Include="Syncfusion.SfCellGrid.WPF, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
       <HintPath>packages\Syncfusion.SfCellGrid.WPF.16.2.0.50\lib\net46\Syncfusion.SfCellGrid.WPF.dll</HintPath>
     </Reference>
@@ -86,6 +102,9 @@
     <Reference Include="Syncfusion.SfSpreadsheet.WPF, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
       <HintPath>packages\Syncfusion.SfSpreadsheet.WPF.16.2.0.50\lib\net46\Syncfusion.SfSpreadsheet.WPF.dll</HintPath>
     </Reference>
+    <Reference Include="Syncfusion.SfSpreadsheetHelper.WPF, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>packages\Syncfusion.SfSpreadsheetHelper.WPF.16.2.0.50\lib\net46\Syncfusion.SfSpreadsheetHelper.WPF.dll</HintPath>
+    </Reference>
     <Reference Include="Syncfusion.Shared.Wpf, Version=16.2460.0.50, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
       <HintPath>packages\Syncfusion.Shared.WPF.16.2.0.50\lib\net46\Syncfusion.Shared.Wpf.dll</HintPath>
     </Reference>