diff --git a/addons/base_setup/models/res_config_settings.py b/addons/base_setup/models/res_config_settings.py
index acbe5a873c5..70bf35c0bcd 100644
--- a/addons/base_setup/models/res_config_settings.py
+++ b/addons/base_setup/models/res_config_settings.py
@@ -20,7 +20,7 @@ class ResConfigSettings(models.TransientModel):
     module_google_calendar = fields.Boolean(
         string='Allow the users to synchronize their calendar  with Google Calendar')
     module_microsoft_calendar = fields.Boolean(
-        string='Allow the users to synchronize their calendar with Office 365 Calendar')
+        string='Allow the users to synchronize their calendar with Outlook Calendar')
     module_google_drive = fields.Boolean("Attach Google documents to any record")
     module_google_spreadsheet = fields.Boolean("Google Spreadsheet")
     module_auth_oauth = fields.Boolean("Use external authentication providers (OAuth)")
diff --git a/addons/base_setup/views/res_config_settings_views.xml b/addons/base_setup/views/res_config_settings_views.xml
index 7398104b97f..b2c9a48f4cc 100644
--- a/addons/base_setup/views/res_config_settings_views.xml
+++ b/addons/base_setup/views/res_config_settings_views.xml
@@ -253,7 +253,7 @@
                                     <field name="module_microsoft_calendar" />
                                 </div>
                                 <div class="o_setting_right_pane">
-                                    <label string="Office 365 Calendar" for="module_microsoft_calendar"/>
+                                    <label string="Outlook Calendar" for="module_microsoft_calendar"/>
                                     <div class="text-muted">
                                         Synchronize your calendar with Outlook
                                     </div>
diff --git a/addons/google_calendar/static/src/js/google_calendar.js b/addons/google_calendar/static/src/js/google_calendar.js
index b19bafea384..c7157aa359e 100644
--- a/addons/google_calendar/static/src/js/google_calendar.js
+++ b/addons/google_calendar/static/src/js/google_calendar.js
@@ -14,6 +14,24 @@ var _t = core._t;
 
 const GoogleCalendarModel = CalendarModel.include({
 
+    /**
+     * @override
+     */
+    init: function () {
+        this._super.apply(this, arguments);
+        this.google_is_sync = true;
+    },
+
+    /**
+     * @override
+     */
+    __get: function () {
+        var result = this._super.apply(this, arguments);
+        result.google_is_sync = this.google_is_sync;
+        return result;
+    },
+
+
     /**
      * @override
      * @returns {Promise}
@@ -35,6 +53,7 @@ const GoogleCalendarModel = CalendarModel.include({
     },
 
     _syncGoogleCalendar(shadow = false) {
+        var self = this;
         var context = this.getSession().user_context;
         return this._rpc({
             route: '/google_calendar/sync_data',
@@ -43,7 +62,14 @@ const GoogleCalendarModel = CalendarModel.include({
                 fromurl: window.location.href,
                 local_context: context, // LUL TODO remove this local_context
             }
-        }, {shadow});
+        }, {shadow}).then(function (result) {
+            if (result.status === "need_config_from_admin" || result.status === "need_auth") {
+                self.google_is_sync = false;
+            } else if (result.status === "no_new_event_from_google" || result.status === "need_refresh") {
+                self.google_is_sync = true;
+            }
+            return result
+        });
     },
 })
 
@@ -115,12 +141,16 @@ const GoogleCalendarRenderer = CalendarRenderer.include({
         this._super.apply(this, arguments);
         this.$googleButton = $();
         if (this.model === "calendar.event") {
-            this.$googleButton = $('<button/>', {type: 'button', html: _t("Sync with <b>Google</b>")})
-                                .addClass('o_google_sync_button oe_button btn btn-secondary')
-                                .prepend($('<img/>', {
-                                    src: "/google_calendar/static/src/img/calendar_32.png",
-                                }))
+            if (this.state.google_is_sync) {
+                this.$googleButton = $('<span/>', {html: _t("Synched with Google")})
+                                .addClass('o_google_sync badge badge-pill badge-success')
+                                .prepend($('<i/>', {class: "fa mr-2 fa-check"}))
                                 .appendTo(self.$sidebar);
+            } else {
+                this.$googleButton = $('<button/>', {type: 'button', html: _t("Sync with <b>Google</b>")})
+                                .addClass('o_google_sync_button oe_button btn btn-secondary')
+                                .appendTo(self.$sidebar);
+            }
         }
     },
 
diff --git a/addons/google_calendar/static/src/scss/google_calendar.scss b/addons/google_calendar/static/src/scss/google_calendar.scss
index 1ee8feef473..54b5c82655f 100644
--- a/addons/google_calendar/static/src/scss/google_calendar.scss
+++ b/addons/google_calendar/static/src/scss/google_calendar.scss
@@ -1,10 +1,12 @@
 .o_google_sync_button {
-    display: block;
     margin: auto;
     > img {
         margin-right: 10px;
     }
 }
+.o_google_sync.badge {
+    border: none;
+}
 
 img.calendar_img_tuto {
     margin: 0 0 10px 50px;
diff --git a/addons/google_calendar/static/tests/google_calendar_tests.js b/addons/google_calendar/static/tests/google_calendar_tests.js
index 5ec1e475af5..db98e22929f 100644
--- a/addons/google_calendar/static/tests/google_calendar_tests.js
+++ b/addons/google_calendar/static/tests/google_calendar_tests.js
@@ -70,7 +70,7 @@ QUnit.module('Google Calendar', {
 }, function () {
 
     QUnit.test('sync google calendar', async function (assert) {
-        assert.expect(8);
+        assert.expect(9);
 
         var calendar = await createCalendarView({
             View: GoogleCalendarView,
@@ -105,12 +105,14 @@ QUnit.module('Google Calendar', {
 
         assert.containsN(calendar, '.fc-event', 3, "should display 3 events on the month");
 
-        await testUtils.dom.click(calendar.$('.o_google_sync_button'));
+        await testUtils.dom.click(calendar.$('.o_calendar_button_next'));
+        await testUtils.dom.click(calendar.$('.o_calendar_button_prev'));
 
         assert.verifySteps([
             '/google_calendar/sync_data',
             '/web/dataset/call_kw/calendar.event/search_read',
             '/google_calendar/sync_data',
+            '/web/dataset/call_kw/calendar.event/search_read',
             '/google_calendar/sync_data',
             '/web/dataset/call_kw/calendar.event/search_read',
         ], 'should do a search_read before and after the call to sync_data');
diff --git a/addons/microsoft_calendar/__manifest__.py b/addons/microsoft_calendar/__manifest__.py
index 763a1088803..03dd4d1fb56 100644
--- a/addons/microsoft_calendar/__manifest__.py
+++ b/addons/microsoft_calendar/__manifest__.py
@@ -9,6 +9,7 @@
     'depends': ['microsoft_account', 'calendar'],
     'qweb': ['static/src/xml/*.xml'],
     'data': [
+        'data/microsoft_calendar_data.xml',
         'security/ir.model.access.csv',
         'wizard/reset_account_views.xml',
         'views/res_config_settings_views.xml',
diff --git a/addons/microsoft_calendar/data/microsoft_calendar_data.xml b/addons/microsoft_calendar/data/microsoft_calendar_data.xml
new file mode 100644
index 00000000000..f41a1d38316
--- /dev/null
+++ b/addons/microsoft_calendar/data/microsoft_calendar_data.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <data>
+        <record forcecreate="True" id="ir_cron_sync_all_cals" model="ir.cron">
+            <field name="name">Outlook: synchronization</field>
+            <field name="model_id" ref="model_res_users"/>
+            <field name="state">code</field>
+            <field name="code">
+model._sync_all_microsoft_calendar()
+            </field>
+            <field name="user_id" ref="base.user_root" />
+            <field name="interval_number">12</field>
+            <field name="interval_type">hours</field>
+            <field name="numbercall">-1</field>
+            <field eval="False" name="doall" />
+        </record>
+    </data>
+</odoo>
diff --git a/addons/microsoft_calendar/models/microsoft_sync.py b/addons/microsoft_calendar/models/microsoft_sync.py
index 888fe09eff0..ea91094bff8 100644
--- a/addons/microsoft_calendar/models/microsoft_sync.py
+++ b/addons/microsoft_calendar/models/microsoft_sync.py
@@ -112,7 +112,7 @@ class MicrosoftSync(models.AbstractModel):
             synced.write({self._active_name: False})
             self = self - synced
         elif synced:
-            raise UserError(_("You cannot delete a record synchronized with Microsoft Calendar, archive it instead."))
+            raise UserError(_("You cannot delete a record synchronized with Outlook Calendar, archive it instead."))
         return super().unlink()
 
     @api.model
diff --git a/addons/microsoft_calendar/models/res_users.py b/addons/microsoft_calendar/models/res_users.py
index 7354ea45f44..dec51d171de 100644
--- a/addons/microsoft_calendar/models/res_users.py
+++ b/addons/microsoft_calendar/models/res_users.py
@@ -39,7 +39,7 @@ class User(models.Model):
         client_secret = get_param('microsoft_calendar_client_secret')
 
         if not client_id or not client_secret:
-            raise UserError(_("The account for the Microsoft Calendar service is not configured."))
+            raise UserError(_("The account for the Outlook Calendar service is not configured."))
 
         headers = {"content-type": "application/x-www-form-urlencoded"}
         data = {
diff --git a/addons/microsoft_calendar/static/src/js/microsoft_calendar.js b/addons/microsoft_calendar/static/src/js/microsoft_calendar.js
index 41ad9e23675..289ba848b47 100644
--- a/addons/microsoft_calendar/static/src/js/microsoft_calendar.js
+++ b/addons/microsoft_calendar/static/src/js/microsoft_calendar.js
@@ -14,6 +14,23 @@ var _t = core._t;
 
 const MicrosoftCalendarModel = CalendarModel.include({
 
+    /**
+     * @override
+     */
+    init: function () {
+        this._super.apply(this, arguments);
+        this.microsoft_is_sync = true;
+    },
+
+    /**
+     * @override
+     */
+    __get: function () {
+        var result = this._super.apply(this, arguments);
+        result.microsoft_is_sync = this.microsoft_is_sync;
+        return result;
+    },
+
     /**
      * @override
      * @returns {Promise}
@@ -29,19 +46,27 @@ const MicrosoftCalendarModel = CalendarModel.include({
             if (error.event) {
                 error.event.preventDefault();
             }
-            console.error("Could not synchronize Microsoft events now.", error);
+            console.error("Could not synchronize Outlook events now.", error);
         }
         return _super(...arguments);
     },
 
     _syncMicrosoftCalendar(shadow = false) {
+        var self = this;
         return this._rpc({
             route: '/microsoft_calendar/sync_data',
             params: {
                 model: this.modelName,
                 fromurl: window.location.href,
             }
-        }, {shadow});
+        }, {shadow}).then(function (result) {
+            if (result.status === "need_config_from_admin" || result.status === "need_auth") {
+                self.microsoft_is_sync = false;
+            } else if (result.status === "no_new_event_from_microsoft" || result.status === "need_refresh") {
+                self.microsoft_is_sync = true;
+            }
+            return result
+        });
     },
 });
 
@@ -68,7 +93,7 @@ const MicrosoftCalendarController = CalendarController.include({
 
         return this.model._syncMicrosoftCalendar().then(function (o) {
             if (o.status === "need_auth") {
-                Dialog.alert(self, _t("You will be redirected to Microsoft to authorize the access to your calendar."), {
+                Dialog.alert(self, _t("You will be redirected to Outlook to authorize the access to your calendar."), {
                     confirm_callback: function() {
                         framework.redirect(o.url);
                     },
@@ -76,14 +101,14 @@ const MicrosoftCalendarController = CalendarController.include({
                 });
             } else if (o.status === "need_config_from_admin") {
                 if (!_.isUndefined(o.action) && parseInt(o.action)) {
-                    Dialog.confirm(self, _t("The Microsoft Synchronization needs to be configured before you can use it, do you want to do it now?"), {
+                    Dialog.confirm(self, _t("The Outlook Synchronization needs to be configured before you can use it, do you want to do it now?"), {
                         confirm_callback: function() {
                             self.do_action(o.action);
                         },
                         title: _t('Configuration'),
                     });
                 } else {
-                    Dialog.alert(self, _t("An administrator needs to configure Microsoft Synchronization before you can use it!"), {
+                    Dialog.alert(self, _t("An administrator needs to configure Outlook Synchronization before you can use it!"), {
                         title: _t('Configuration'),
                     });
                 }
@@ -104,7 +129,7 @@ const MicrosoftCalendarRenderer = CalendarRenderer.include({
     //--------------------------------------------------------------------------
 
     /**
-     * Adds the Sync with Microsoft button in the sidebar
+     * Adds the Sync with Outlook button in the sidebar
      *
      * @private
      */
@@ -113,12 +138,16 @@ const MicrosoftCalendarRenderer = CalendarRenderer.include({
         this._super.apply(this, arguments);
         this.$microsoftButton = $();
         if (this.model === "calendar.event") {
-            this.$microsoftButton = $('<button/>', {type: 'button', html: _t("Sync with <b>Microsoft</b>")})
-                                .addClass('o_microsoft_sync_button oe_button btn btn-secondary')
-                                .prepend($('<img/>', {
-                                    src: "/microsoft_calendar/static/src/img/calendar_outlook_32.png",
-                                }))
+            if (this.state.microsoft_is_sync) {
+                this.$microsoftButton = $('<span/>', {html: _t("Synched with Outlook")})
+                                .addClass('o_microsoft_sync badge badge-pill badge-success')
+                                .prepend($('<i/>', {class: "fa mr-2 fa-check"}))
                                 .appendTo(self.$sidebar);
+            } else {
+                this.$microsoftButton = $('<button/>', {type: 'button', html: _t("Sync with <b>Outlook</b>")})
+                                .addClass('o_microsoft_sync_button oe_button btn btn-secondary')
+                                .appendTo(self.$sidebar);
+            }
         }
     },
 
diff --git a/addons/microsoft_calendar/static/src/scss/microsoft_calendar.scss b/addons/microsoft_calendar/static/src/scss/microsoft_calendar.scss
index b223bcdf965..2f1fa96bb6b 100644
--- a/addons/microsoft_calendar/static/src/scss/microsoft_calendar.scss
+++ b/addons/microsoft_calendar/static/src/scss/microsoft_calendar.scss
@@ -1,10 +1,12 @@
 .o_microsoft_sync_button {
-    display: block;
     margin: auto;
     > img {
         margin-right: 10px;
     }
 }
+.o_microsoft_sync.badge {
+    border: none;
+}
 
 img.calendar_img_tuto {
     margin: 0 0 10px 50px;
diff --git a/addons/microsoft_calendar/wizard/reset_account_views.xml b/addons/microsoft_calendar/wizard/reset_account_views.xml
index 0fb789fe701..1646c6e9db4 100644
--- a/addons/microsoft_calendar/wizard/reset_account_views.xml
+++ b/addons/microsoft_calendar/wizard/reset_account_views.xml
@@ -5,7 +5,7 @@
         <field name="model">microsoft.calendar.account.reset</field>
         <field name="arch" type="xml">
             <form>
-                <h1>Reset Microsoft Calendar Account</h1>
+                <h1>Reset Outlook Calendar Account</h1>
                 <group>
                     <field name="delete_policy" widget="radio"/>
                     <field name="sync_policy" widget="radio"/>