diff --git a/controller/editorapicontroller.php b/controller/editorapicontroller.php
index 1703e032..c6dd0813 100644
--- a/controller/editorapicontroller.php
+++ b/controller/editorapicontroller.php
@@ -452,6 +452,12 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
             $params["_file_path"] = $userFolder->getRelativePath($file->getPath());
         }
 
+        if ($inframe === true) {
+            $params["_files_sharing"] = \OC::$server->getAppManager()->isInstalled("files_sharing");
+            $params["editorConfig"]["customization"]["goback"]["requestClose"] = true;
+            $params["editorConfig"]["customization"]["goback"]["text"] = "Close";
+        }
+
         if ($folderLink !== null
             && $this->config->GetSystemValue($this->config->_customization_goback) !== false) {
             $params["editorConfig"]["customization"]["goback"] = [
@@ -469,10 +475,6 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
             }
         }
 
-        if ($inframe === true) {
-            $params["_files_sharing"] = \OC::$server->getAppManager()->isInstalled("files_sharing");
-        }
-
         $params = $this->setCustomization($params);
 
         $params = $this->setWatermark($params, !empty($shareToken), $userId, $file);
diff --git a/js/main.js b/js/main.js
index 797a7677..0f656db4 100644
--- a/js/main.js
+++ b/js/main.js
@@ -536,21 +536,10 @@
 
                 var editorUrl = OC.generateUrl("apps/" + OCA.Onlyoffice.AppName + "/s/" + encodeURIComponent($("#sharingToken").val()));
 
-                if (_oc_appswebroots.richdocuments
+                if (! (_oc_appswebroots.richdocuments
                     || _oc_appswebroots.files_pdfviewer && extension === "pdf"
-                    || _oc_appswebroots.text && extension === "txt") {
+                    || _oc_appswebroots.text && extension === "txt")) {
 
-                    var button = document.createElement("a");
-                    button.href = editorUrl;
-                    button.className = "onlyoffice-public-open button";
-                    button.innerText = t(OCA.Onlyoffice.AppName, "Open in ONLYOFFICE")
-
-                    if (!OCA.Onlyoffice.setting.sameTab) {
-                        button.target = "_blank";
-                    }
-
-                    $("#preview").prepend(button);
-                } else {
                     OCA.Onlyoffice.frameSelector = "#onlyofficeFrame";
                     var $iframe = $("<iframe id=\"onlyofficeFrame\" nonce=\"" + btoa(OC.requestToken) + "\" scrolling=\"no\" allowfullscreen src=\"" + editorUrl + "?inframe=true\" />");
                     $("#app-content").append($iframe);
diff --git a/js/share.js b/js/share.js
new file mode 100644
index 00000000..f5a67e7c
--- /dev/null
+++ b/js/share.js
@@ -0,0 +1,102 @@
+/**
+ *
+ * (c) Copyright Ascensio System SIA 2022
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+(function (OCA) {
+
+    OCA.Onlyoffice = _.extend({
+            AppName: "onlyoffice",
+            context: null,
+            folderUrl: null,
+            frameSelector: null,
+        }, OCA.Onlyoffice);
+
+    OCA.Onlyoffice.setting = {};
+    OCA.Onlyoffice.mobile = /Android|webOS|iPhone|iPad|iPod|BlackBerry|BB|PlayBook|IEMobile|Windows Phone|Kindle|Silk|Opera Mini|Macintosh/i.test(navigator.userAgent)
+                            && navigator.maxTouchPoints && navigator.maxTouchPoints > 1;
+
+    OCA.Onlyoffice.CloseEditor = function () {
+        OCA.Onlyoffice.frameSelector = null;
+
+        $("body").removeClass("onlyoffice-inline");
+
+        OCA.Onlyoffice.context = null;
+
+        var url = OCA.Onlyoffice.folderUrl;
+        if (!!url) {
+            window.history.pushState(null, null, url);
+            OCA.Onlyoffice.folderUrl = null;
+        }
+
+    };
+
+    OCA.Onlyoffice.GetSettings = function (callbackSettings) {
+        if (OCA.Onlyoffice.setting.formats) {
+
+            callbackSettings();
+
+        } else {
+
+            $.get(OC.generateUrl("apps/" + OCA.Onlyoffice.AppName + "/ajax/settings"),
+                function onSuccess(settings) {
+                    OCA.Onlyoffice.setting = settings;
+
+                    callbackSettings();
+                }
+            );
+
+        }
+    };
+
+    var getFileExtension = function (fileName) {
+        var extension = fileName.substr(fileName.lastIndexOf(".") + 1).toLowerCase();
+        return extension;
+    }
+
+    var initPage = function () {
+        if ($("#isPublic").val() === "1" && !$("#filestable").length) {
+            //file by shared link
+            var fileName = $("#filename").val();
+            var extension = getFileExtension(fileName);
+
+            var initSharedButton = function () {
+                var formats = OCA.Onlyoffice.setting.formats;
+
+                var config = formats[extension];
+                if (!config) {
+                    return;
+                }
+
+                var editorUrl = OC.generateUrl("apps/" + OCA.Onlyoffice.AppName + "/s/" + encodeURIComponent($("#sharingToken").val()));
+
+                if (! (_oc_appswebroots.richdocuments
+                    || _oc_appswebroots.files_pdfviewer && extension === "pdf"
+                    || _oc_appswebroots.text && extension === "txt")) {
+
+                    OCA.Onlyoffice.frameSelector = "#onlyofficeFrame";
+                    var $iframe = $("<iframe id=\"onlyofficeFrame\" nonce=\"" + btoa(OC.requestToken) + "\" scrolling=\"no\" allowfullscreen src=\"" + editorUrl + "?inframe=true\" />");
+                    $("#app-content").append($iframe);
+                }
+            };
+
+            OCA.Onlyoffice.GetSettings(initSharedButton);
+        }
+    };
+
+    initPage();
+
+})(OCA);
\ No newline at end of file
diff --git a/lib/listeners/filesharinglistener.php b/lib/listeners/filesharinglistener.php
index 3274a460..85043754 100644
--- a/lib/listeners/filesharinglistener.php
+++ b/lib/listeners/filesharinglistener.php
@@ -53,7 +53,7 @@ public function handle(Event $event): void {
 
         if (!empty($this->appConfig->GetDocumentServerUrl())
             && $this->appConfig->SettingsAreSuccessful()) {
-            Util::addScript("onlyoffice", "main");
+            Util::addScript("onlyoffice", "share");
 
             if ($this->appConfig->GetSameTab()) {
                 Util::addScript("onlyoffice", "listener");