diff --git a/Extensions/DocumentationCustom.psm1 b/Extensions/DocumentationCustom.psm1
index 0590956..f7a3b66 100644
--- a/Extensions/DocumentationCustom.psm1
+++ b/Extensions/DocumentationCustom.psm1
@@ -422,7 +422,7 @@ function Add-CDDocumentCustomProfileValue
             $value = $obj.startMenuAppListVisibility
             if($value.IndexOf(", ") -eq -1)
             {
-                $value = $value -replace ",",", " # Option values in json file has space afte , but value in object don't
+                $value = $value -replace ",",", " # Option values in json file has space after , but value in object don't
             }
             Invoke-TranslateOption $obj $prop -PropValue $value
             return $false
diff --git a/Extensions/DocumentationWord.psm1 b/Extensions/DocumentationWord.psm1
index a9bd12b..5352ffc 100644
--- a/Extensions/DocumentationWord.psm1
+++ b/Extensions/DocumentationWord.psm1
@@ -10,15 +10,32 @@ function Invoke-InitializeModule
 {
     if(!("Microsoft.Office.Interop.Word.Application" -as [Type]))
     {
+        $loaded = $false
         try
         {
             Add-Type -AssemblyName Microsoft.Office.Interop.Word
+            $loaded = $true
+        }
+        catch { }
+        try
+        {
+            $wordFile = Get-ChildItem -path "$($env:windir)\assembly\GAC_MSIL" -Filter "Microsoft.Office.Interop.Word.dll" -Recurse
+            if($wordFile -and $wordFile.Exists)
+            {
+                Add-Type -Path $wordFile.FullName
+                $loaded = $true
+            }
         }
         catch
         {
             Write-LogError "Failed to add Word Interop type. Cannot create word documents. Verify that Word is installed properly." $_.Exception
             return
         }
+
+        if(-not $loaded) {
+            Write-LogError "Word Interop type not found. Cannot create word documents. Verify that Word is installed properly." $_.Exception
+            return
+        }
     }
 
     Add-OutputType ([PSCustomObject]@{
@@ -46,6 +63,9 @@ function Add-WordOptionsControl
     $global:spWordCustomProperties.Visibility = (?: ($global:cbWordDocumentationProperties.SelectedValue -ne "custom") "Collapsed" "Visible")
     $global:txtWordCustomProperties.Visibility = (?: ($global:cbWordDocumentationProperties.SelectedValue -ne "custom") "Collapsed" "Visible")
 
+    $global:cbWordDocumentationFormat.ItemsSource = ("[ { Name: `"Docx`",Value: `"docx`" }, { Name: `"PDF`",Value: `"pdf`" }]" | ConvertFrom-Json)
+    $global:cbWordDocumentationFormat.SelectedValue = (Get-Setting "Documentation" "WordDocumentFormat" "docx")
+
     $global:cbWordDocumentationLevel.ItemsSource = ("[ { Name: `"Full`",Value: `"full`" }, { Name: `"Limited`",Value: `"limited`" }, { Name: `"Basic`",Value: `"basic`" }]" | ConvertFrom-Json)
     $global:cbWordDocumentationLevel.SelectedValue = (Get-Setting "Documentation" "WordDocumentationLevel" "full")
 
@@ -112,8 +132,9 @@ function Invoke-WordActivate
 
 function Invoke-WordPreProcessItems
 {
-    Save-Setting "Documentation" "WordExportProperties" $global:cbWordDocumentationProperties.SelectedValue
+    Save-Setting "Documentation" "WordExportProperties" $global:cbWordDocumentationProperties.SelectedValue    
     Save-Setting "Documentation" "WordCustomDisplayProperties" $global:txtWordCustomProperties.Text
+    Save-Setting "Documentation" "WordDocumentFormat" $global:cbWordDocumentationFormat.SelectedValue
     Save-Setting "Documentation" "WordDocumentTemplate" $global:txtWordDocumentTemplate.Text
     Save-Setting "Documentation" "WordDocumentName" $global:txtWordDocumentName.Text
 
@@ -384,6 +405,14 @@ function Invoke-WordPostProcessItems
     $script:doc.TablesOfFigures | ForEach-Object -Process { $_.Update() | Out-Null }
     $script:doc.TablesOfAuthorities | ForEach-Object -Process { $_.Update() | Out-Null }
 
+    if($global:cbWordDocumentationFormat.SelectedValue -eq "pdf")
+    {
+        $format = [Microsoft.Office.Interop.Word.WdSaveFormat]::wdFormatPDF
+    }
+    else {
+        $format = [Microsoft.Office.Interop.Word.WdSaveFormat]::wdFormatDocumentDefault
+    }
+
     $fileName = $global:txtWordDocumentName.Text
     if(-not $fileName)
     {
@@ -392,7 +421,10 @@ function Invoke-WordPostProcessItems
 
     $fileName = Expand-FileName $fileName
 
-    $format = [Microsoft.Office.Interop.Word.WdSaveFormat]::wdFormatDocumentDefault
+    if($format -eq [Microsoft.Office.Interop.Word.WdSaveFormat]::wdFormatPDF -and $fileName -notlike "*.pdf")
+    {
+        $fileName = [IO.Path]::ChangeExtension($fileName, ".pdf")
+    }
 
     try
     {
diff --git a/Xaml/DocumentationWordOptions.xaml b/Xaml/DocumentationWordOptions.xaml
index 414c891..b601d20 100644
--- a/Xaml/DocumentationWordOptions.xaml
+++ b/Xaml/DocumentationWordOptions.xaml
@@ -57,6 +57,13 @@
         </StackPanel>
         <TextBox Text="" Name="txtWordCustomProperties" Margin="0,5,5,5" Grid.Row="1" Grid.Column="1"/>
 
+        <StackPanel Orientation="Horizontal" Margin="0,5,5,0" Grid.Row="2">
+            <Label Content="Document format" />
+            <Rectangle Style="{DynamicResource InfoIcon}" ToolTip="Specify the output format eg Docx or PDF" />
+        </StackPanel>
+        <ComboBox Name="cbWordDocumentationFormat" Margin="0,5,0,0" MinWidth="250" Grid.Row="2" Grid.Column="1" HorizontalAlignment="Left"
+                DisplayMemberPath="Name" SelectedValuePath="Value" />
+
     </Grid>
 
     <Grid Grid.Row="1" Grid.ColumnSpan="2">