diff --git a/apps/api/documents/api.js b/apps/api/documents/api.js
index 1712d65648..30ea658cd3 100644
--- a/apps/api/documents/api.js
+++ b/apps/api/documents/api.js
@@ -1014,7 +1014,7 @@
         if (config.frameEditorId)
             params += "&frameEditorId=" + config.frameEditorId;
 
-        var type = /^(?:(pdf))$/.exec(config.document.fileType);
+        var type = config.document ? /^(?:(pdf))$/.exec(config.document.fileType) : null;
         if (!(type && typeof type[1] === 'string') && (config.editorConfig && config.editorConfig.mode == 'view' ||
             config.document && config.document.permissions && (config.document.permissions.edit === false && !config.document.permissions.review )))
             params += "&mode=view";
@@ -1031,7 +1031,7 @@
         if (config.editorConfig && config.editorConfig.customization && config.editorConfig.customization.uiTheme )
             params += "&uitheme=" + config.editorConfig.customization.uiTheme;
 
-        if (config.document.fileType)
+        if (config.document && config.document.fileType)
             params += "&fileType=" + config.document.fileType;
 
         return params;
diff --git a/apps/pdfeditor/main/app/controller/Main.js b/apps/pdfeditor/main/app/controller/Main.js
index ef427bcef7..a4dddc79d1 100644
--- a/apps/pdfeditor/main/app/controller/Main.js
+++ b/apps/pdfeditor/main/app/controller/Main.js
@@ -1607,6 +1607,10 @@ define([
                             config.msg = this.errorInconsistentExt;
                         break;
 
+                    case Asc.c_oAscError.ID.MailToClientMissing:
+                        config.msg = this.errorEmailClient;
+                        break;
+
                     default:
                         config.msg = (typeof id == 'string') ? id : this.errorDefaultMessage.replace('%1', id);
                         break;
@@ -2448,7 +2452,8 @@ define([
             txtInvalidPdfFormat: 'The value entered does not match the format of the field "{0}".',
             txtValidPdfFormat: 'Field value should match format "{0}".',
             txtChoose: 'Choose an item',
-            txtEnterDate: 'Enter a date'
+            txtEnterDate: 'Enter a date',
+            errorEmailClient: 'No email client could be found'
         }
     })(), PDFE.Controllers.Main || {}))
 });
\ No newline at end of file
diff --git a/apps/pdfeditor/main/app/controller/Toolbar.js b/apps/pdfeditor/main/app/controller/Toolbar.js
index 8c8ff00dff..40e3ace36c 100644
--- a/apps/pdfeditor/main/app/controller/Toolbar.js
+++ b/apps/pdfeditor/main/app/controller/Toolbar.js
@@ -420,7 +420,35 @@ define([
 
         onDownloadUrl: function(url, fileType) {
             if (this._state.isFromToolbarDownloadAs) {
-                Common.Gateway.downloadAs(url, fileType);
+                var me = this,
+                    defFileName = this.getApplication().getController('Viewport').getView('Common.Views.Header').getDocumentCaption();
+                !defFileName && (defFileName = me.txtUntitled);
+
+                if (me.toolbar.mode.canRequestSaveAs) {
+                    Common.Gateway.requestSaveAs(url, defFileName, fileType);
+                } else {
+                    me._saveCopyDlg = new Common.Views.SaveAsDlg({
+                        saveFolderUrl: me.toolbar.mode.saveAsUrl,
+                        saveFileUrl: url,
+                        defFileName: defFileName
+                    });
+                    me._saveCopyDlg.on('saveaserror', function(obj, err){
+                        var config = {
+                            closable: false,
+                            title: me.notcriticalErrorTitle,
+                            msg: err,
+                            iconCls: 'warn',
+                            buttons: ['ok'],
+                            callback: function(btn){
+                                Common.NotificationCenter.trigger('edit:complete', me);
+                            }
+                        };
+                        Common.UI.alert(config);
+                    }).on('close', function(obj){
+                        me._saveCopyDlg = undefined;
+                    });
+                    me._saveCopyDlg.show();
+                }
             }
             this._state.isFromToolbarDownloadAs = false;
         },
@@ -813,7 +841,8 @@ define([
         txtNeedDownload: 'At the moment, PDF viewer can only save new changes in separate file copies. It doesn\'t support co-editing and other users won\'t see your changes unless you share a new file version.',
         txtDownload: 'Download',
         txtSaveCopy: 'Save copy',
-        errorAccessDeny: 'You are trying to perform an action you do not have rights for.<br>Please contact your Document Server administrator.'
+        errorAccessDeny: 'You are trying to perform an action you do not have rights for.<br>Please contact your Document Server administrator.',
+        txtUntitled: 'Untitled'
 
     }, PDFE.Controllers.Toolbar || {}));
 });
diff --git a/apps/pdfeditor/main/locale/en.json b/apps/pdfeditor/main/locale/en.json
index 5a11ec58ff..c599b7dd74 100644
--- a/apps/pdfeditor/main/locale/en.json
+++ b/apps/pdfeditor/main/locale/en.json
@@ -419,6 +419,7 @@
   "PDFE.Controllers.Main.warnNoLicense": "You've reached the limit for simultaneous connections to %1 editors. This document will be opened for viewing only.<br>Contact %1 sales team for personal upgrade terms.",
   "PDFE.Controllers.Main.warnNoLicenseUsers": "You've reached the user limit for %1 editors. Contact %1 sales team for personal upgrade terms.",
   "PDFE.Controllers.Main.warnProcessRightsChange": "You have been denied the right to edit the file.",
+  "PDFE.Controllers.Main.errorEmailClient": "No email client could be found.",
   "PDFE.Controllers.Navigation.txtBeginning": "Beginning of document",
   "PDFE.Controllers.Navigation.txtGotoBeginning": "Go to the beginning of the document",
   "PDFE.Controllers.Print.textMarginsLast": "Last Custom",
@@ -439,6 +440,7 @@
   "PDFE.Controllers.Toolbar.txtNeedCommentMode": "To save changes to the file, switch to Сommenting mode. Or you can download a copy of the modified file.",
   "PDFE.Controllers.Toolbar.txtNeedDownload": "At the moment, PDF viewer can only save new changes in separate file copies. It doesn't support co-editing and other users won't see your changes unless you share a new file version.",
   "PDFE.Controllers.Toolbar.txtSaveCopy": "Save copy",
+  "PDFE.Controllers.Toolbar.txtUntitled": "Untitled",
   "PDFE.Controllers.Viewport.textFitPage": "Fit to Page",
   "PDFE.Controllers.Viewport.textFitWidth": "Fit to Width",
   "PDFE.Controllers.Viewport.txtDarkMode": "Dark mode",