diff --git a/addressbook/js/app.js b/addressbook/js/app.js
index e19ffa87a6..aedfabbd6a 100644
--- a/addressbook/js/app.js
+++ b/addressbook/js/app.js
@@ -208,9 +208,19 @@ var AddressbookApp = /** @class */ (function (_super) {
         this.egw.openTab(id, 'addressbook', 'view', extras, {
             displayName: data.n_fn,
             icon: data.photo,
-            id: id + '_' + extras.crm_list
+            refreshCallback: this.view_refresh,
+            id: id + '-' + extras.crm_list,
         });
     };
+    /**
+     * callback for refreshing relative crm view list
+     */
+    AddressbookApp.prototype.view_refresh = function () {
+        var et2 = etemplate2_1.etemplate2.getById("addressbook-view-" + this.appName);
+        if (et2) {
+            et2.app_obj.addressbook.view_set_list();
+        }
+    };
     /**
      * Set link filter for the already open & rendered  list
      *
diff --git a/addressbook/js/app.ts b/addressbook/js/app.ts
index 5531b79c60..ef240ac385 100644
--- a/addressbook/js/app.ts
+++ b/addressbook/js/app.ts
@@ -231,10 +231,23 @@ class AddressbookApp extends EgwApp
 		this.egw.openTab(id, 'addressbook', 'view', extras, {
 			displayName: data.n_fn,
 			icon: data.photo,
-			id: id+'_'+extras.crm_list
+			refreshCallback: this.view_refresh,
+			id: id+'-'+extras.crm_list,
 		});
 	}
 
+	/**
+	 * callback for refreshing relative crm view list
+	 */
+	view_refresh()
+	{
+		let et2 = etemplate2.getById("addressbook-view-"+this.appName);
+		if (et2)
+		{
+			et2.app_obj.addressbook.view_set_list();
+		}
+	}
+
 	/**
 	 * Set link filter for the already open & rendered  list
 	 *
diff --git a/api/js/etemplate/etemplate2.js b/api/js/etemplate/etemplate2.js
index 5c657fdeed..fb0c8e633a 100644
--- a/api/js/etemplate/etemplate2.js
+++ b/api/js/etemplate/etemplate2.js
@@ -865,9 +865,18 @@ var etemplate2 = /** @class */ (function () {
      */
     etemplate2.app_refresh = function (_msg, _app, _id, _type) {
         var refresh_done = false;
-        var et2 = etemplate2.getByApplication(_app);
+        var app = _app.split('-');
+        var et2 = etemplate2.getByApplication(app[0]);
         for (var i = 0; i < et2.length; i++) {
-            refresh_done = et2[i].refresh(_msg, _app, _id, _type) || refresh_done;
+            if (app[1]) {
+                if (et2[i]['uniqueId'].match(_app)) {
+                    refresh_done = et2[i].refresh(_msg, app[0], _id, _type) || refresh_done;
+                    break;
+                }
+            }
+            else {
+                refresh_done = et2[i].refresh(_msg, app[0], _id, _type) || refresh_done;
+            }
         }
         return refresh_done;
     };
@@ -995,8 +1004,8 @@ var etemplate2 = /** @class */ (function () {
         }
         // handle framework.setSidebox calls
         if (window.framework && jQuery.isArray(data.setSidebox)) {
-            if (data['open-target'])
-                data.setSidebox[0] = data['open-target'];
+            if (data['fw-target'])
+                data.setSidebox[0] = data['fw-target'];
             window.framework.setSidebox.apply(window.framework, data.setSidebox);
         }
         // regular et2 re-load
@@ -1013,7 +1022,7 @@ var etemplate2 = /** @class */ (function () {
             else {
                 // Not etemplate
                 var node = document.getElementById(data.DOMNodeID);
-                var uniqueId = '';
+                var uniqueId = data.DOMNodeID;
                 if (node) {
                     if (node.children.length) {
                         // Node has children already?  Check for loading over an
@@ -1022,11 +1031,11 @@ var etemplate2 = /** @class */ (function () {
                         if (old)
                             old.clear();
                     }
-                    if (data['open_target']) {
+                    if (data['open_target'] && !uniqueId.match(data['open_target'])) {
                         uniqueId = data.DOMNodeID.replace('.', '-') + '-' + data['open_target'];
                     }
                     var et2 = new etemplate2(node, data.menuaction, uniqueId);
-                    et2.load(data.name, data.url, data.data, null, null, null, data['open-target']);
+                    et2.load(data.name, data.url, data.data, null, null, null, data['fw-target']);
                     return true;
                 }
                 else {
diff --git a/api/js/etemplate/etemplate2.ts b/api/js/etemplate/etemplate2.ts
index 0ca52189d8..f1f1de6292 100644
--- a/api/js/etemplate/etemplate2.ts
+++ b/api/js/etemplate/etemplate2.ts
@@ -1108,10 +1108,22 @@ export class etemplate2
 	static app_refresh (_msg, _app, _id, _type)
 	{
 		let refresh_done = false;
-		const et2 = etemplate2.getByApplication(_app);
+		let app = _app.split('-');
+		const et2 = etemplate2.getByApplication(app[0]);
 		for (let i = 0; i < et2.length; i++)
 		{
-			refresh_done = et2[i].refresh(_msg, _app, _id, _type) || refresh_done;
+			if (app[1])
+			{
+				if (et2[i]['uniqueId'].match(_app))
+				{
+					refresh_done = et2[i].refresh(_msg, app[0], _id, _type) || refresh_done;
+					break;
+				}
+			}
+			else
+			{
+				refresh_done = et2[i].refresh(_msg, app[0], _id, _type) || refresh_done;
+			}
 		}
 		return refresh_done;
 	}
@@ -1280,7 +1292,7 @@ export class etemplate2
 		// handle framework.setSidebox calls
 		if (window.framework && jQuery.isArray(data.setSidebox))
 		{
-			if (data['open-target']) data.setSidebox[0] = data['open-target'];
+			if (data['fw-target']) data.setSidebox[0] = data['fw-target'];
 
 			window.framework.setSidebox.apply(window.framework, data.setSidebox);
 		}
@@ -1302,7 +1314,7 @@ export class etemplate2
 			{
 				// Not etemplate
 				const node = document.getElementById(data.DOMNodeID);
-				let uniqueId = '';
+				let uniqueId = data.DOMNodeID;
 				if (node)
 				{
 					if (node.children.length)
@@ -1312,12 +1324,12 @@ export class etemplate2
 						const old = etemplate2.getById(node.id);
 						if (old) old.clear();
 					}
-					if (data['open_target'])
+					if (data['open_target'] && !uniqueId.match(data['open_target']))
 					{
 						uniqueId = data.DOMNodeID.replace('.', '-') + '-' + data['open_target'];
 					}
 					const et2 = new etemplate2(node, data.menuaction, uniqueId);
-					et2.load(data.name, data.url, data.data, null, null, null, data['open-target']);
+					et2.load(data.name, data.url, data.data, null, null, null, data['fw-target']);
 					return true;
 				}
 				else
diff --git a/api/js/framework/fw_base.js b/api/js/framework/fw_base.js
index 9533db7969..2cd003c788 100644
--- a/api/js/framework/fw_base.js
+++ b/api/js/framework/fw_base.js
@@ -308,7 +308,7 @@ var fw_base = (function(){ "use strict"; return Class.extend(
 
 						//Lookup whether this entry was opened before. If no data is
 						//stored about this, use the information we got from the server
-						var opened = egw.preference('jdots_sidebox_'+_data[i].menu_name, _app.appName);
+						var opened = egw.preference('jdots_sidebox_'+_data[i].menu_name, _app.internalName);
 						if (typeof opened == 'undefined')
 						{
 							opened = _data[i].opened;
@@ -446,7 +446,7 @@ var fw_base = (function(){ "use strict"; return Class.extend(
 	 */
 	categoryOpenCloseCallback: function(_opened)
 	{
-		egw.set_preference(this.tag.appName, 'jdots_sidebox_'+this.catName, _opened);
+		if (!framework.isAnInternalApp(this.tag)) egw.set_preference(this.tag.internalName, 'jdots_sidebox_'+this.catName, _opened);
 	},
 
 	categoryAnimationCallback: function()
@@ -680,7 +680,7 @@ var fw_base = (function(){ "use strict"; return Class.extend(
 		var app = this.parseAppFromUrl(_link);
 		if (app)
 		{
-			var appname = app.appName+"-"+(_extra.id ? _extra.id : btoa(_link));
+			var appname = app.appName+"-"+btoa(_extra.id ? _extra.id : _link);
 			this.applications[appname] = this.getApplicationByName(appname);
 			if (this.applications[appname])
 			{
@@ -1090,7 +1090,12 @@ var fw_base = (function(){ "use strict"; return Class.extend(
 	refresh: function(_msg, _app, _id, _type, _targetapp, _replace, _with, _msg_type)
 	{
 		//alert("egw_refresh(\'"+_msg+"\',\'"+_app+"\',\'"+_id+"\',\'"+_type+"\')");
-
+		let app_object = this.getApplicationByName(_app);
+		if (this.isAnInternalApp(app_object) && typeof app_object.refreshCallback == 'function')
+		{
+			app_object.refreshCallback();
+			return;
+		}
 		if (!_app)	// force reload of entire framework, eg. when template-set changes
 		{
 			window.location.href = window.egw_webserverUrl+'/index.php?cd=yes'+(_msg ? '&msg='+encodeURIComponent(_msg) : '');
@@ -1255,5 +1260,15 @@ var fw_base = (function(){ "use strict"; return Class.extend(
 				}
 			}
 		});
+	},
+
+	/**
+	 * Check if the app is an internal app object like multitab views
+	 * @param _app app object
+	 * @return {boolean}
+	 */
+	isAnInternalApp: function(_app)
+	{
+		return _app.appName != _app.internalName;
 	}
 });}).call(this);
diff --git a/api/js/framework/fw_desktop.js b/api/js/framework/fw_desktop.js
index e62acd63bb..b5f19720d6 100644
--- a/api/js/framework/fw_desktop.js
+++ b/api/js/framework/fw_desktop.js
@@ -276,7 +276,7 @@
 				//Set the sidebox width if a application specific sidebox width is set
 				// do not trigger resize if the sidebar is already in toggle on mode and
 				// the next set state is the same
-				if (_app.sideboxWidth !== false &&  egw.preference('toggleSidebar',_app.appName) == 'off')
+				if (_app.sideboxWidth !== false &&  egw.preference('toggleSidebar',_app.internalName) == 'off')
 				{
 					this.sideboxSizeCallback(_app.sideboxWidth);
 					this.splitterUi.constraints[0].size = _app.sideboxWidth;
@@ -330,7 +330,7 @@
 
 				if (_toggleMode !== "toggle")
 				{
-					egw.set_preference(this.tag.activeApp.internalName, 'jdotssideboxwidth', _width);
+					if (!framework.isAnInternalApp(this.tag.activeApp)) egw.set_preference(this.tag.activeApp.internalName, 'jdotssideboxwidth', _width);
 
 					//If there are no global application width values, set the sidebox width of
 					//the application every time the splitter is resized
@@ -441,7 +441,7 @@
 		 */
 		categoryOpenCloseCallback: function(_opened)
 		{
-			egw.set_preference(this.tag.appName, 'jdots_sidebox_'+this.catName, _opened);
+			if (!framework.isAnInternalApp(this.tag)) egw.set_preference(this.tag.internalName, 'jdots_sidebox_'+this.catName, _opened);
 		},
 
 		categoryAnimationCallback: function()
@@ -455,16 +455,16 @@
 		 */
 		_toggleSidebarCallback: function (_state)
 		{
-			var splitterWidth = egw.preference('jdotssideboxwidth',this.activeApp.appName) || this.activeApp.sideboxWidth;
+			var splitterWidth = egw.preference('jdotssideboxwidth',this.activeApp.internalName) || this.activeApp.sideboxWidth;
 			if (_state === "on")
 			{
 				this.splitterUi.resizeCallback(70,'toggle');
-				egw.set_preference(this.activeApp.appName, 'toggleSidebar', 'on');
+				if (!framework.isAnInternalApp(this.activeApp)) egw.set_preference(this.activeApp.internalName, 'toggleSidebar', 'on');
 			}
 			else
 			{
 				this.splitterUi.resizeCallback(splitterWidth);
-				egw.set_preference(this.activeApp.appName, 'toggleSidebar', 'off');
+				if (!framework.isAnInternalApp(this.activeApp)) egw.set_preference(this.activeApp.internalName, 'toggleSidebar', 'off');
 			}
 		},
 
@@ -473,7 +473,7 @@
 		 */
 		getToggleSidebarState: function()
 		{
-			var toggleSidebar = egw.preference('toggleSidebar',this.activeApp.appName);
+			var toggleSidebar = egw.preference('toggleSidebar',this.activeApp.internalName);
 			this.toggleSidebarUi.set_toggle(toggleSidebar?toggleSidebar:"off", this._toggleSidebarCallback, this);
 		},
 
diff --git a/api/src/Etemplate.php b/api/src/Etemplate.php
index 5f3bc90375..f1e369c806 100644
--- a/api/src/Etemplate.php
+++ b/api/src/Etemplate.php
@@ -527,8 +527,7 @@ class Etemplate extends Etemplate\Widget\Template
 			$this->version=$version, $this->laod_via = $load_via);
 		//error_log(__METHOD__."('$name', '$template_set', '$lang', $group, '$version', '$load_via') rel_path=".array2string($this->rel_path));
 
-		$this->dom_id = isset($_GET['fw_target']) && preg_match('/^[a-z0-9-]+$/i', $_GET['fw_target']) ?
-			$name.'-'.$_GET['fw_target'] : $name;
+		$this->dom_id = isset($_GET['fw_target']) ?	$name.'-'.$_GET['fw_target'] : $name;
 
 		return (boolean)$this->rel_path;
 	}
diff --git a/api/src/Framework/Ajax.php b/api/src/Framework/Ajax.php
index 636a032ccb..3b155a7ac9 100755
--- a/api/src/Framework/Ajax.php
+++ b/api/src/Framework/Ajax.php
@@ -1013,7 +1013,7 @@ abstract class Ajax extends Api\Framework
 		$GLOBALS['egw']->framework->response->call('egw.set_preferences',
 			(array)$GLOBALS['egw_info']['user']['preferences'][$app], $app);
 		// flag to indicate target of output e.g. _tab
-		if ($_GET['fw_target']) $GLOBALS['egw']->framework->set_extra('open','target',$_GET['fw_target']);
+		if ($_GET['fw_target']) $GLOBALS['egw']->framework->set_extra('fw','target',$_GET['fw_target']);
 		// call application menuaction
 		ob_start();
 		$obj->$method();