diff --git a/app/models/dmsf_file_revision.rb b/app/models/dmsf_file_revision.rb
index 55c32229..c6edb64f 100644
--- a/app/models/dmsf_file_revision.rb
+++ b/app/models/dmsf_file_revision.rb
@@ -34,6 +34,16 @@ class DmsfFileRevision < ActiveRecord::Base
   STATUS_DELETED = 1
   STATUS_ACTIVE = 0
 
+  PROTOCOLS = {
+    'application/msword' => 'ms-word',
+    'application/vnd.ms-excel' => 'ms-excel',
+    'application/vnd.ms-powerpoint' => 'ms-powerpoint',
+    'application/vnd.openxmlformats-officedocument.wordprocessingml.document' => 'ms-word',
+    'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' => 'ms-excel',
+    'application/vnd.openxmlformats-officedocument.presentationml.presentation' => 'ms-powerpoint',
+    'application/vnd.openxmlformats-officedocument.presentationml.slideshow' => 'ms-powerpoint'
+  }.freeze
+
   scope :visible, -> { where(:deleted => STATUS_ACTIVE) }
   scope :deleted, -> { where(:deleted => STATUS_DELETED) }
 
@@ -340,4 +350,11 @@ class DmsfFileRevision < ActiveRecord::Base
     tooltip
   end
 
+  def protocol
+    unless @protocol
+      @protocol = PROTOCOLS[self.mime_type]
+    end
+    @protocol
+  end
+
 end
diff --git a/app/views/dmsf_context_menus/dmsf.html.erb b/app/views/dmsf_context_menus/dmsf.html.erb
index 0826bf5e..8c582b0e 100644
--- a/app/views/dmsf_context_menus/dmsf.html.erb
+++ b/app/views/dmsf_context_menus/dmsf.html.erb
@@ -22,8 +22,8 @@
 
 <ul>
     <li>
-      <% if @file && @file.last_revision %>
-        <% url = "ms-word:ofe|u|#{Setting.protocol.strip}://#{Setting.host_name.strip}/#{Addressable::URI.escape(@file.project.identifier)}/" %>
+      <% if @file && @file.last_revision && @file.last_revision.protocol %>
+        <% url = "#{@file.last_revision.protocol}:ofe|u|#{Setting.protocol.strip}://#{Setting.host_name.strip}/dmsf/webdav/#{Addressable::URI.escape(@file.project.identifier)}/" %>
         <% if @file.dmsf_folder %>
           <% url << @file.dmsf_folder.dmsf_path_str %>
         <% end %>