diff --git a/apps/common/main/lib/component/InputField.js b/apps/common/main/lib/component/InputField.js
index a46b2345f4..887f910335 100644
--- a/apps/common/main/lib/component/InputField.js
+++ b/apps/common/main/lib/component/InputField.js
@@ -701,6 +701,8 @@ define([
                 options.btnHint = options.btnHint || this.textDate;
 
                 Common.UI.InputFieldBtn.prototype.initialize.call(this, options);
+
+                this.dateValue = undefined;
             },
 
             render: function (parentEl) {
@@ -725,18 +727,29 @@ define([
                             firstday: 1
                         });
                         me.cmpCalendar.on('date:click', function (cmp, date) {
+                            me.dateValue = date;
                             me.trigger('date:click', me, date);
                             menu.hide();
                         });
+                        me.dateValue && me.cmpCalendar.setDate(me.dateValue);
                         menu.alignPosition();
                     }
                     me.cmpCalendar.focus();
-                })
+                });
+                this._input.on('input', function() {
+                    me.dateValue = undefined;
+                });
             },
 
             setDate: function(date) {
-                if (this.cmpCalendar && date && date instanceof Date && !isNaN(date))
+                if (date && date instanceof Date && !isNaN(date)) {
                     this.cmpCalendar && this.cmpCalendar.setDate(date);
+                    this.dateValue = date;
+                }
+            },
+
+            getDate: function() {
+                return this.dateValue;
             },
 
             textDate: 'Select date'
diff --git a/apps/common/main/lib/view/DocumentPropertyDialog.js b/apps/common/main/lib/view/DocumentPropertyDialog.js
index 47cd7bc179..5925a19076 100644
--- a/apps/common/main/lib/view/DocumentPropertyDialog.js
+++ b/apps/common/main/lib/view/DocumentPropertyDialog.js
@@ -164,23 +164,21 @@ define([], function () { 'use strict';
 
             this.datepicker = new Common.UI.InputFieldBtnCalendar({
                 el: $('#id-dlg-value-date'),
-                allowBlank  : true,
-                validateOnChange: false,
+                allowBlank  : false,
+                blankError  : this.txtPropertyValueBlankError,
                 validateOnBlur: false,
                 value       : '',
                 dataHint    : '1',
                 dataHintDirection: 'left',
-                dataHintOffset: 'small',
-                validation: function(value) {
-                    return value.length === 0 || isNaN(new Date(value).getTime()) ? this.txtPropertyValueBlankError : true;
-                }
+                dataHintOffset: 'small'
             });
             if (this.options.defaultValue.value && currentType === 'date') {
-                this.datepicker.setValue(this.options.defaultValue.value);
+                this.datepicker.setDate(this.options.defaultValue.value);
+                this.datepicker.setValue(this.dateToString(this.options.defaultValue.value));
             }
             this.datepicker.setVisible(this.options.defaultValue.type ? this.options.defaultValue.type === AscCommon.c_oVariantTypes.vtFiletime : currentType === 'date');
-            this.datepicker.on('date:click', function (_, date) {
-                this.datepicker.setValue(date);
+            this.datepicker.on('date:click', function (cmp, date) {
+                cmp.setValue(this.dateToString(date));
             }.bind(this));
 
             var $window = this.getChild();
@@ -230,8 +228,27 @@ define([], function () { 'use strict';
                             this.datepicker.focus();
                             return;
                         }
-
-                        ascValue = new Date(this.datepicker.getValue());
+                        ascValue = this.datepicker.getDate();
+                        if (!ascValue) {
+                            ascValue = new Date(this.datepicker.getValue());
+                            if (!ascValue || !(ascValue instanceof Date) || isNaN(ascValue))
+                                ascValue = undefined;
+                        }
+                        if (!ascValue) {
+                            var me = this;
+                            Common.UI.warning({
+                                msg: me.errorDate,
+                                buttons: ['ok', 'cancel'],
+                                callback: function(btn) {
+                                    if (btn==='ok') {
+                                        me.options.handler.call(this, state, title, AscCommon.c_oVariantTypes.vtLpwstr, me.datepicker.getValue());
+                                        me.close();
+                                    } else
+                                        me.datepicker.focus();
+                                }
+                            });
+                            return;
+                        }
                         ascType = AscCommon.c_oVariantTypes.vtFiletime;
                     } else {
                         if (this.inputTextOrNumber.checkValidate() !== true)  {
@@ -266,6 +283,22 @@ define([], function () { 'use strict';
             this.close();
         },
 
+        dateToString: function (value) {
+            var text = '';
+            if (value) {
+                value = new Date(value)
+                var lang = (this.options.lang || 'en').replace('_', '-').toLowerCase();
+                try {
+                    if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
+                    text = value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'});
+                } catch (e) {
+                    lang = 'en';
+                    text = value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'});
+                }
+            }
+            return text;
+        },
+
         txtTitle: "New Document Property",
         txtPropertyTitleLabel: "Title",
         txtPropertyTitleBlankError: 'Property should have a title',
@@ -278,6 +311,7 @@ define([], function () { 'use strict';
         txtPropertyTypeDate: "Date",
         txtPropertyTypeBoolean: '"Yes" or "no"',
         txtPropertyBooleanTrue: 'Yes',
-        txtPropertyBooleanFalse: 'No'
+        txtPropertyBooleanFalse: 'No',
+        errorDate: 'You can choose a value from the calendar to store the value as Date.<br>If you enter a value manually, it will be stored as Text.'
     }, Common.Views.DocumentPropertyDialog || {}));
 });
\ No newline at end of file
diff --git a/apps/documenteditor/main/app/view/FileMenuPanels.js b/apps/documenteditor/main/app/view/FileMenuPanels.js
index c4b69e496d..d31b79372c 100644
--- a/apps/documenteditor/main/app/view/FileMenuPanels.js
+++ b/apps/documenteditor/main/app/view/FileMenuPanels.js
@@ -1726,16 +1726,7 @@ define([], function () {
             this.coreProps = (this.api) ? this.api.asc_getCoreProps() : null;
             if (this.coreProps) {
                 var value = this.coreProps.asc_getCreated();
-                if (value) {
-                    var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
-                    try {
-                        if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
-                        this.lblDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    } catch (e) {
-                        lang = 'en';
-                        this.lblDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    }
-                }
+                this.lblDate.text(this.dateToString(value));
                 this._ShowHideInfoItem(this.lblDate, !!value);
             } else if (pdfProps)
                 this.updatePdfInfo(pdfProps);
@@ -1759,17 +1750,7 @@ define([], function () {
             if (props) {
                 var visible = false;
                 value = props.asc_getModified();
-
-                if (value) {
-                    var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
-                    try {
-                        if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
-                        this.lblModifyDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    } catch (e) {
-                        lang = 'en';
-                        this.lblModifyDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    }
-                }
+                this.lblModifyDate.text(this.dateToString(value));
                 visible = this._ShowHideInfoItem(this.lblModifyDate, !!value) || visible;
                 value = props.asc_getLastModifiedBy();
                 if (value)
@@ -1810,32 +1791,14 @@ define([], function () {
 
             if (props) {
                 value = props.CreationDate;
-                if (value) {
-                    value = new Date(value);
-                    var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
-                    try {
-                        if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
-                        this.lblDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    } catch (e) {
-                        lang = 'en';
-                        this.lblDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    }
-                }
+                value && (value = new Date(value));
+                this.lblDate.text(this.dateToString(value));
                 this._ShowHideInfoItem(this.lblDate, !!value);
 
                 var visible = false;
                 value = props.ModDate;
-                if (value) {
-                    value = new Date(value);
-                    var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
-                    try {
-                        if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
-                        this.lblModifyDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    } catch (e) {
-                        lang = 'en';
-                        this.lblModifyDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    }
-                }
+                value && (value = new Date(value));
+                this.lblModifyDate.text(this.dateToString(value));
                 visible = this._ShowHideInfoItem(this.lblModifyDate, !!value) || visible;
                 visible = this._ShowHideInfoItem(this.lblModifyBy, false) || visible;
                 $('tr.divider.modify', this.el)[visible?'show':'hide']();
@@ -1995,6 +1958,8 @@ define([], function () {
         tplCustomProperty: function(name, type, value) {
             if (type === AscCommon.c_oVariantTypes.vtBool) {
                 value = value ? this.txtYes : this.txtNo;
+            } else if (type === AscCommon.c_oVariantTypes.vtFiletime) {
+                value = this.dateToString(new Date(value), true);
             }
 
             return '<tr data-name="' + name +'">' +
@@ -2005,6 +1970,21 @@ define([], function () {
                 '</div></td></tr>';
         },
 
+        dateToString: function (value, hideTime) {
+            var text = '';
+            if (value) {
+                var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
+                try {
+                    if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
+                    text = value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + (!hideTime ? ' ' + value.toLocaleString(lang, {timeStyle: 'short'}) : '');
+                } catch (e) {
+                    lang = 'en';
+                    text = value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + (!hideTime ? ' ' + value.toLocaleString(lang, {timeStyle: 'short'}) : '');
+                }
+            }
+            return text;
+        },
+
         renderCustomProperty: function(name, type, value, idx) {
             var me = this;
 
@@ -2029,6 +2009,7 @@ define([], function () {
                 } else if (btn.hasClass('form-control')) {
                     (new Common.Views.DocumentPropertyDialog({
                         title: me.txtDocumentPropertyUpdateTitle,
+                        lang: me.mode.lang,
                         defaultValue: {
                             name: name,
                             type: type,
@@ -2097,6 +2078,7 @@ define([], function () {
         onAddPropertyClick: function() {
             var me = this;
             (new Common.Views.DocumentPropertyDialog({
+                lang: me.mode.lang,
                 handler: function(result, title, type, value) {
                     if (result === 'ok') {
                         me.api.asc_addCustomProperty(title, type, value);
diff --git a/apps/documenteditor/main/locale/en.json b/apps/documenteditor/main/locale/en.json
index 603c42f104..e1acf2ec58 100644
--- a/apps/documenteditor/main/locale/en.json
+++ b/apps/documenteditor/main/locale/en.json
@@ -840,6 +840,7 @@
   "Common.Views.DocumentPropertyDialog.txtPropertyTypeBoolean": "\"Yes\" or \"no\"",
   "Common.Views.DocumentPropertyDialog.txtPropertyBooleanTrue": "Yes",
   "Common.Views.DocumentPropertyDialog.txtPropertyBooleanFalse": "No",
+  "Common.Views.DocumentPropertyDialog.errorDate": "You can choose a value from the calendar to store the value as Date.<br>If you enter a value manually, it will be stored as Text.",
   "DE.Controllers.DocProtection.txtIsProtectedComment": "Document is protected. You may only insert comments to this document.",
   "DE.Controllers.DocProtection.txtIsProtectedForms": "Document is protected. You may only fill in forms in this document.",
   "DE.Controllers.DocProtection.txtIsProtectedTrack": "Document is protected. You may edit this document, but all changes will be tracked.",
diff --git a/apps/presentationeditor/main/app/view/FileMenuPanels.js b/apps/presentationeditor/main/app/view/FileMenuPanels.js
index 7b04573e8e..680e592c69 100644
--- a/apps/presentationeditor/main/app/view/FileMenuPanels.js
+++ b/apps/presentationeditor/main/app/view/FileMenuPanels.js
@@ -1378,16 +1378,7 @@ define([], function () {
             this.coreProps = (this.api) ? this.api.asc_getCoreProps() : null;
             if (this.coreProps) {
                 var value = this.coreProps.asc_getCreated();
-                if (value) {
-                    var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
-                    try {
-                        if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
-                        this.lblDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    } catch (e) {
-                        lang = 'en';
-                        this.lblDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    }
-                }
+                this.lblDate.text(this.dateToString(value));
                 this._ShowHideInfoItem(this.lblDate, !!value);
             }
 
@@ -1418,16 +1409,7 @@ define([], function () {
             if (props) {
                 var visible = false;
                 value = props.asc_getModified();
-                if (value) {
-                    var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
-                    try {
-                        if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
-                        this.lblModifyDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    } catch (e) {
-                        lang = 'en';
-                        this.lblModifyDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    }
-                }
+                this.lblModifyDate.text(this.dateToString(value));
                 visible = this._ShowHideInfoItem(this.lblModifyDate, !!value) || visible;
                 value = props.asc_getLastModifiedBy();
                 if (value)
@@ -1462,6 +1444,8 @@ define([], function () {
         tplCustomProperty: function(name, type, value) {
             if (type === AscCommon.c_oVariantTypes.vtBool) {
                 value = value ? this.txtYes : this.txtNo;
+            } else if (type === AscCommon.c_oVariantTypes.vtFiletime) {
+                value = this.dateToString(new Date(value), true);
             }
 
             return '<tr data-name="' + name +'">' +
@@ -1472,6 +1456,21 @@ define([], function () {
                 '</div></td></tr>';
         },
 
+        dateToString: function (value, hideTime) {
+            var text = '';
+            if (value) {
+                var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
+                try {
+                    if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
+                    text = value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + (!hideTime ? ' ' + value.toLocaleString(lang, {timeStyle: 'short'}) : '');
+                } catch (e) {
+                    lang = 'en';
+                    text = value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + (!hideTime ? ' ' + value.toLocaleString(lang, {timeStyle: 'short'}) : '');
+                }
+            }
+            return text;
+        },
+
         renderCustomProperty: function(name, type, value, idx) {
             var me = this;
 
@@ -1496,6 +1495,7 @@ define([], function () {
                 } else if (btn.hasClass('form-control')) {
                     (new Common.Views.DocumentPropertyDialog({
                         title: me.txtDocumentPropertyUpdateTitle,
+                        lang: me.mode.lang,
                         defaultValue: {
                             name: name,
                             type: type,
@@ -1522,6 +1522,7 @@ define([], function () {
         onAddPropertyClick: function() {
             var me = this;
             (new Common.Views.DocumentPropertyDialog({
+                lang: me.mode.lang,
                 handler: function(result, name, type, value) {
                     if (result === 'ok') {
                         me.api.asc_addCustomProperty(name, type, value);
diff --git a/apps/presentationeditor/main/locale/en.json b/apps/presentationeditor/main/locale/en.json
index 115ab4cc77..a796d6cf82 100644
--- a/apps/presentationeditor/main/locale/en.json
+++ b/apps/presentationeditor/main/locale/en.json
@@ -903,6 +903,7 @@
   "Common.Views.DocumentPropertyDialog.txtPropertyTypeBoolean": "\"Yes\" or \"no\"",
   "Common.Views.DocumentPropertyDialog.txtPropertyBooleanTrue": "Yes",
   "Common.Views.DocumentPropertyDialog.txtPropertyBooleanFalse": "No",
+  "Common.Views.DocumentPropertyDialog.errorDate": "You can choose a value from the calendar to store the value as Date.<br>If you enter a value manually, it will be stored as Text.",
   "PE.Controllers.LeftMenu.leavePageText": "All unsaved changes in this document will be lost.<br> Click \"Cancel\" then \"Save\" to save them. Click \"OK\" to discard all the unsaved changes.",
   "PE.Controllers.LeftMenu.newDocumentTitle": "Unnamed presentation",
   "PE.Controllers.LeftMenu.notcriticalErrorTitle": "Warning",
diff --git a/apps/spreadsheeteditor/main/app/view/FileMenuPanels.js b/apps/spreadsheeteditor/main/app/view/FileMenuPanels.js
index 658e497b3a..c5901fb17b 100644
--- a/apps/spreadsheeteditor/main/app/view/FileMenuPanels.js
+++ b/apps/spreadsheeteditor/main/app/view/FileMenuPanels.js
@@ -1849,16 +1849,7 @@ define([], function () {
             this.coreProps = (this.api) ? this.api.asc_getCoreProps() : null;
             if (this.coreProps) {
                 var value = this.coreProps.asc_getCreated();
-                if (value) {
-                    var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
-                    try {
-                        if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
-                        this.lblDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    } catch (e) {
-                        lang = 'en';
-                        this.lblDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    }
-                }
+                this.lblDate.text(this.dateToString(value));
                 this._ShowHideInfoItem(this.lblDate, !!value);
             }
         },
@@ -1883,16 +1874,7 @@ define([], function () {
             if (props) {
                 var visible = false;
                 value = props.asc_getModified();
-                if (value) {
-                    var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
-                    try {
-                        if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
-                        this.lblModifyDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    } catch (e) {
-                        lang = 'en';
-                        this.lblModifyDate.text(value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + ' ' + value.toLocaleString(lang, {timeStyle: 'short'}));
-                    }
-                }
+                this.lblModifyDate.text(this.dateToString(value));
                 visible = this._ShowHideInfoItem(this.lblModifyDate, !!value) || visible;
                 value = props.asc_getLastModifiedBy();
                 if (value)
@@ -1966,6 +1948,8 @@ define([], function () {
         tplCustomProperty: function(name, type, value) {
             if (type === AscCommon.c_oVariantTypes.vtBool) {
                 value = value ? this.txtYes : this.txtNo;
+            } else if (type === AscCommon.c_oVariantTypes.vtFiletime) {
+                value = this.dateToString(new Date(value), true);
             }
 
             return '<tr data-name="' + name +'">' +
@@ -1976,6 +1960,21 @@ define([], function () {
                 '</div></td></tr>';
         },
 
+        dateToString: function (value, hideTime) {
+            var text = '';
+            if (value) {
+                var lang = (this.mode.lang || 'en').replace('_', '-').toLowerCase();
+                try {
+                    if ( lang == 'ar-SA'.toLowerCase() ) lang = lang + '-u-nu-latn-ca-gregory';
+                    text = value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + (!hideTime ? ' ' + value.toLocaleString(lang, {timeStyle: 'short'}) : '');
+                } catch (e) {
+                    lang = 'en';
+                    text = value.toLocaleString(lang, {year: 'numeric', month: '2-digit', day: '2-digit'}) + (!hideTime ? ' ' + value.toLocaleString(lang, {timeStyle: 'short'}) : '');
+                }
+            }
+            return text;
+        },
+
         renderCustomProperty: function(name, type, value, idx) {
             var me = this;
 
@@ -2000,6 +1999,7 @@ define([], function () {
                 } else if (btn.hasClass('form-control')) {
                     (new Common.Views.DocumentPropertyDialog({
                         title: me.txtDocumentPropertyUpdateTitle,
+                        lang: me.mode.lang,
                         defaultValue: {
                             name: name,
                             type: type,
@@ -2026,6 +2026,7 @@ define([], function () {
         onAddPropertyClick: function() {
             var me = this;
             (new Common.Views.DocumentPropertyDialog({
+                lang: me.mode.lang,
                 handler: function(result, name, type, value) {
                     if (result === 'ok') {
                         me.api.asc_addCustomProperty(name, type, value);
diff --git a/apps/spreadsheeteditor/main/locale/en.json b/apps/spreadsheeteditor/main/locale/en.json
index 77710982a2..e5e23ee212 100644
--- a/apps/spreadsheeteditor/main/locale/en.json
+++ b/apps/spreadsheeteditor/main/locale/en.json
@@ -762,6 +762,7 @@
   "Common.Views.DocumentPropertyDialog.txtPropertyTypeBoolean": "\"Yes\" or \"no\"",
   "Common.Views.DocumentPropertyDialog.txtPropertyBooleanTrue": "Yes",
   "Common.Views.DocumentPropertyDialog.txtPropertyBooleanFalse": "No",
+  "Common.Views.DocumentPropertyDialog.errorDate": "You can choose a value from the calendar to store the value as Date.<br>If you enter a value manually, it will be stored as Text.",
   "SSE.Controllers.DataTab.strSheet": "Sheet",
   "SSE.Controllers.DataTab.textAddExternalData": "The link to an external source has been added. You can update such links in the Data tab.",
   "SSE.Controllers.DataTab.textColumns": "Columns",