diff --git a/app/assets/stylesheets/admin.scss b/app/assets/stylesheets/admin.scss
index 5ce1bb4c09..a41e7a583a 100644
--- a/app/assets/stylesheets/admin.scss
+++ b/app/assets/stylesheets/admin.scss
@@ -145,6 +145,15 @@ body.admin {
     display: inline;
   }
 
+  blockquote .well p {
+    font-size: 14px;
+    margin-bottom: 1em !important;
+
+    &:last-child {
+      margin-bottom: 0 !important;
+    }
+  }
+
   div#user_locale_switcher {
     div.btn-group:before,
     div.btn-group:after {
diff --git a/app/views/admin/foi_attachments/edit.html.erb b/app/views/admin/foi_attachments/edit.html.erb
index ab02d2a827..0e128f926b 100644
--- a/app/views/admin/foi_attachments/edit.html.erb
+++ b/app/views/admin/foi_attachments/edit.html.erb
@@ -44,3 +44,14 @@
     <%= submit_tag 'Save', class: 'btn btn-success' %>
   </div>
 <% end %>
+
+<% if @foi_attachment.main_body_part? %>
+  <hr />
+  <h2>Unmasked message body (quotes unfolded):</h2>
+
+  <blockquote>
+    <div class="well well-small">
+      <%= simple_format(@foi_attachment.unmasked_body) %>
+    </div>
+  </blockquote>
+<% end %>
diff --git a/doc/CHANGES.md b/doc/CHANGES.md
index a726de13ad..fd2c76f18c 100644
--- a/doc/CHANGES.md
+++ b/doc/CHANGES.md
@@ -2,6 +2,7 @@
 
 ## Highlighted Features
 
+* Add admin view of unmasked version of main body part attachments (Gareth Rees)
 * Add internal ID number to authority CSV download (Alex Parsons, Graeme
   Porteous)