diff --git a/addons/thunderbird/installer.py b/addons/thunderbird/installer.py
index 69576aa2a46..4e0f4435d31 100644
--- a/addons/thunderbird/installer.py
+++ b/addons/thunderbird/installer.py
@@ -39,15 +39,28 @@ class thunderbird_installer(osv.osv_memory):
         self.write(cr, uid, ids, data)
         return False
 
+    def process_pdf_file(self, cr, uid, ids, context):
+        """
+        Default Attach Thunderbird Plug-in Installation File.
+        """
+        data = {}
+        pdf_file = open(config['addons_path'] + "/thunderbird/doc/Installation Guide to OpenERP Thunderbid Plug-in.pdf", 'r')
+        data['pdf_file'] = base64.encodestring(pdf_file.read())
+        self.write(cr, uid, ids, data)
+        return False
+
     _columns = {
-        'name':fields.char('File name', size=34, required=True, help='Save Thunderbird plugin file.'),
+        'name':fields.char('File name', size=34),
+        'pdf_name':fields.char('File name', size=64),
         'thunderbird':fields.boolean('Thunderbird Module ', help="Allows you to select an object that you’d like to add to your email and its attachments."),
         'plugin_file':fields.binary('Thunderbird Plug-in', readonly=True, help="Thunderbird plug-in file. Save as this file and install this plug-in in thunderbir."),
-        
+        'pdf_file':fields.binary('Thunderbird Plug-in Installation File', help="The documentation file :- how to install Thunderbird Plug-in.", readonly=True),        
         }
+
     _defaults = {
         'thunderbird' : True,
         'name' : 'tiny_plugin-2.0.xpi',
+        'pdf_name' : 'Installation Guide to OpenERP Thunderbid Plug-in.pdf',
         }
 
 thunderbird_installer()
diff --git a/addons/thunderbird/thunderbird_installer.xml b/addons/thunderbird/thunderbird_installer.xml
index bd19a780456..59e0cc4f604 100644
--- a/addons/thunderbird/thunderbird_installer.xml
+++ b/addons/thunderbird/thunderbird_installer.xml
@@ -21,11 +21,15 @@
                   <separator string="Thunderbird" colspan="4"/>
                   <field name="thunderbird"/>
                   <field name="name" invisible="1"/>
+                  <field name="pdf_name" invisible="1"/>
                   <newline/>
 
-                  <field name="plugin_file"/>
+                  <field name="plugin_file" filename="name"/>
                   <button name="process_plugin"  icon="gtk-execute" string="Get Plugin File" type="object"/>
                   <newline/>
+                  <field name="pdf_file" filename="pdf_name"/>
+                  <button name="process_pdf_file"  icon="gtk-execute" string="Get Plugin Installation File" type="object"/>
+                  <newline/>
                   <separator string="Thunderbird plugin installation note." colspan="4"/>
                   <label colspan="8" string="Save The thunderbird plug­in Follow the following step to install thunderbird plug­in ? 1. From Menu Bar, Open Tools ­> Add ons. 2. Now click on install button and a browser window will appear. 3. Just select the (.xpi) file from thunderbird/plugin directory and click ok, a new software installation window will appear and within a short time Install Now  button will be enabled. 4. Click on Install Now and restart Thunderbird. 5. Now Thunderbird plug­in is installed."/>
               </group>