diff --git a/mail_all/README.rst b/mail_all/README.rst
index d0b7702..30b1507 100644
--- a/mail_all/README.rst
+++ b/mail_all/README.rst
@@ -1,8 +1,12 @@
+.. image:: https://img.shields.io/badge/license-LGPL--3-blue.png
+   :target: https://www.gnu.org/licenses/lgpl
+   :alt: License: LGPL-3
+
 ===================
  Show all messages
 ===================
 
-Adds ``Discuss / All`` menu, that shows all messages accesable by current user.
+Adds ``Discuss / All`` menu, that shows all messages accessible by current user.
 
 Credits
 =======
@@ -36,4 +40,4 @@ Usage instructions: `<doc/index.rst>`_
 
 Changelog: `<doc/changelog.rst>`_
 
-Tested on Odoo 11.0 ecbf7aa4714479229658d14cce28fa00376ed390
+Tested on Odoo 12.0 80cef9e8c52ff7dc0715a7478a2288d3de7065df
diff --git a/mail_all/__init__.py b/mail_all/__init__.py
index e69de29..ca03eda 100644
--- a/mail_all/__init__.py
+++ b/mail_all/__init__.py
@@ -0,0 +1 @@
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html).
diff --git a/mail_all/__openerp__.py b/mail_all/__manifest__.py
similarity index 66%
rename from mail_all/__openerp__.py
rename to mail_all/__manifest__.py
index fd0ab55..984904c 100644
--- a/mail_all/__openerp__.py
+++ b/mail_all/__manifest__.py
@@ -1,10 +1,14 @@
+# Copyright 2016-2018 Ivan Yelizariev <https://it-projects.info/team/yelizariev>
+# Copyright 2017-2018 Artyom Losev <https://it-projects.info/team/ArtyomLosev>
+# Copyright 2018 Kolushov Alexandr <https://it-projects.info/team/KolushovAlexandr>
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html).
 {
     "name": "Show all messages",
     "summary": """Checkout all messages where you have access""",
     "category": "Discuss",
     # "live_test_url": "",
     "images": ['images/1.jpg'],
-    "version": "11.0.1.0.0",
+    "version": "12.0.1.0.0",
     "application": False,
 
     "author": "IT-Projects LLC, Pavel Romanchenko",
@@ -15,7 +19,7 @@
     'currency': 'EUR',
 
     "depends": [
-        "mail_base"
+        "mail"
     ],
     "external_dependencies": {"python": [], "bin": []},
     "data": [
@@ -31,6 +35,6 @@
     "post_init_hook": None,
     "uninstall_hook": None,
 
-    'installable': False,
+    'installable': True,
     "auto_install": False,
 }
diff --git a/mail_all/static/description/index.html b/mail_all/static/description/index.html
index 58a5857..291e931 100644
--- a/mail_all/static/description/index.html
+++ b/mail_all/static/description/index.html
@@ -59,9 +59,9 @@ This menu shows all messages.
                             -o-transform: rotate(6deg);
                             -moz-transform: rotate(6deg);
                             -ms-transform: rotate(6deg);">
-                    Tested on Odoo<br/>10.0 community
+                    Tested on Odoo<br/>12.0 community
                 </div>
-                <div style="margin-top: 15px;
+                <!--<div style="margin-top: 15px;
                             position: relative;
                             font-family:'Vollkorn', serif;
                             font-size: 16px;
@@ -72,12 +72,12 @@ This menu shows all messages.
                             border: 3px dashed #75526b;
                             float: left;
                             padding: 4px 12px;
-                            -webkit-transform: rotate(-3deg);
-                            -o-transform: rotate(-3deg);
-                            -moz-transform: rotate(-3deg);
-                            -ms-transform: rotate(-3deg);">
-                    Tested on Odoo<br/>10.0 enterprise
-                </div>
+                             -webkit-transform: rotate(-3deg);
+                             -o-transform: rotate(-3deg);
+                             -moz-transform: rotate(-3deg);
+                             -ms-transform: rotate(-3deg);">
+                    Tested on Odoo<br/>12.0 enterprise
+                </div>-->
             </div>
         </div>
     </div>
diff --git a/mail_all/static/src/js/mail_all.js b/mail_all/static/src/js/mail_all.js
index 1873f9e..a0f9bb9 100644
--- a/mail_all/static/src/js/mail_all.js
+++ b/mail_all/static/src/js/mail_all.js
@@ -1,57 +1,50 @@
+/*  # Copyright 2016-2018 Ivan Yelizariev <https://it-projects.info/team/yelizariev>
+    # Copyright 2017-2018 Artyom Losev <https://it-projects.info/team/ArtyomLosev>
+    # Copyright 2018 Kolushov Alexandr <https://it-projects.info/team/KolushovAlexandr>
+    # License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html). */
 odoo.define('mail_all.all', function (require) {
 "use strict";
 
-var chat_manager = require('mail_base.base').chat_manager;
 var core = require('web.core');
-
-var _lt = core._lt;
-
-var ChatAction = core.action_registry.get('mail.chat.instant_messaging');
-ChatAction.include({
-    get_thread_rendering_options: function (messages) {
-        var options = this._super.apply(this, arguments);
-        options.display_subject = options.display_subject || this.channel.id === "channel_all";
-        return options;
-    }
+var Manager = require('mail.Manager');
+var Mailbox = require('mail.model.Mailbox');
+
+var _t = core._t;
+
+Manager.include({
+    _updateMailboxesFromServer: function (data) {
+        var self = this;
+        this._super(data);
+        if (!_.find(this.getThreads(), function(th){
+            return th.getID() === 'mailbox_channel_all';
+        })) {
+            this._addMailbox({
+                id: 'channel_all',
+                name: _t("All Messages"),
+                mailboxCounter: data.needaction_inbox_counter || 0,
+            });
+        }
+    },
+
+    _makeMessage: function (data) {
+        var message = this._super(data);
+        message._addThread('mailbox_channel_all');
+        return message;
+    },
 });
 
-// override methods
-var chat_manager_super = _.clone(chat_manager);
-
-chat_manager.get_properties = function (msg) {
-    var properties = chat_manager_super.get_properties.apply(this, arguments);
-    properties.is_all = this.property_descr("channel_all", msg, this);
-    return properties;
-};
-
-chat_manager.set_channel_flags = function (data, msg) {
-    chat_manager_super.set_channel_flags.apply(this, arguments);
-    msg.is_all = data.author_id !== 'ODOOBOT';
-    return msg;
-};
-
-chat_manager.get_channel_array = function (msg) {
-    var arr = chat_manager_super.get_channel_array.apply(this, arguments);
-    return arr.concat('channel_all');
-};
-
-chat_manager.get_domain = function (channel) {
-    return (channel.id === "channel_all")
-        ? []
-        : chat_manager_super.get_domain.apply(this, arguments);
-};
-
-
-chat_manager.is_ready.then(function () {
-        // Add all channel
-        chat_manager.add_channel({
-            id: "channel_all",
-            name: _lt("All messages"),
-            type: "static"
-        });
-        return $.when();
-    });
+Mailbox.include({
+    _getThreadDomain: function () {
+        if (this._id === 'mailbox_channel_all') {
+            return [];
+        }
+        return this._super();
+    },
+});
 
-return chat_manager;
+return {
+    'Manager': Manager,
+    'Mailbox': Mailbox,
+    };
 
 });
diff --git a/mail_all/static/src/xml/menu.xml b/mail_all/static/src/xml/menu.xml
index 1ed9bdc..5c592c3 100644
--- a/mail_all/static/src/xml/menu.xml
+++ b/mail_all/static/src/xml/menu.xml
@@ -1,17 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--# Copyright 2018 Artyom Losev <https://it-projects.info/team/ArtyomLosev>
+    # Copyright 2018 Kolushov Alexandr <https://it-projects.info/team/KolushovAlexandr>
+    # License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html). -->
 <template>
     <!--Inherit Sidebar and add All messages menu item after Starred -->
-    <t t-extend="mail.chat.Sidebar">
-        <t t-jquery="div[data-channel-id=channel_starred]" t-operation="after">
-            <div t-attf-class="o_mail_chat_title_main o_mail_chat_channel_item #{(active_channel_id == 'channel_all') ? 'o_active': ''}" data-channel-id="channel_all">
+    <t t-extend="mail.discuss.Sidebar">
+        <t t-jquery="div[data-thread-id=mailbox_starred]" t-operation="after">
+            <div t-attf-class="o_mail_discuss_title_main o_mail_mailbox_title_all o_mail_discuss_item #{(activeThreadID == 'channel_all') ? 'o_active': ''}" data-thread-id="mailbox_channel_all">
                 <span class="o_channel_name mail_all"> <i class="fa fa-database"/> All messages </span>
+                <t t-set="counter" t-value="starredCounter"/>
+                <t t-call="mail.discuss.SidebarCounter"/>
             </div>
         </t>
     </t>
     <!--Add message about empty all messages page-->
-    <t t-extend="mail.EmptyChannel">
-        <t t-jquery="t:last-child" t-operation="after">
-            <t t-if="options.channel_id==='channel_all'">
+    <t t-extend="mail.widget.Thread.Empty">
+        <t t-jquery="t:last" t-operation="after">
+            <t t-if="thread.getID() === 'mailbox_channel_all'">
                 <div class="o_thread_title">No messages</div>
             </t>
         </t>
diff --git a/mail_all/tests/__init__.py b/mail_all/tests/__init__.py
index a43ec20..2be66f7 100644
--- a/mail_all/tests/__init__.py
+++ b/mail_all/tests/__init__.py
@@ -1,2 +1,3 @@
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html).
 
 from . import test_js
diff --git a/mail_all/tests/test_js.py b/mail_all/tests/test_js.py
index da8cf40..68ca7f2 100644
--- a/mail_all/tests/test_js.py
+++ b/mail_all/tests/test_js.py
@@ -1,3 +1,7 @@
+# Copyright 2016 Ivan Yelizariev <https://it-projects.info/team/yelizariev>
+# Copyright 2016 manawi <https://it-projects.info/team/manawi>
+# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html).
+
 import odoo.tests
 
 
diff --git a/mail_all/views/templates.xml b/mail_all/views/templates.xml
index d68bc72..6a90dbe 100644
--- a/mail_all/views/templates.xml
+++ b/mail_all/views/templates.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0"?>
-<openerp>
-    <data>
+<!--# Copyright 2016 Ivan Yelizariev <https://it-projects.info/team/yelizariev>
+    # Copyright 2018 Artyom Losev <https://it-projects.info/team/ArtyomLosev>
+    # Copyright 2018 Kolushov Alexandr <https://it-projects.info/team/KolushovAlexandr>
+    # License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html). -->
+<odoo>
         <template id="mail_all_assets_backend"
                   name="mail_all_assets_backend"
                   inherit_id="web.assets_backend">
@@ -9,5 +12,4 @@
                 <script src="/mail_all/static/src/js/mail_all.js" type="text/javascript"></script>
             </xpath>
         </template>
-    </data>
-</openerp>
+</odoo>