diff --git a/cell/api.js b/cell/api.js
index a551af1e19..c9fe02b0f8 100644
--- a/cell/api.js
+++ b/cell/api.js
@@ -652,15 +652,26 @@ var editor;
     if (opt_isPassword) {
       t.handlers.trigger("asc_onAdvancedOptions", new AscCommon.asc_CAdvancedOptions(c_oAscAdvancedOptionsID.DRM), this.advancedOptionsAction);
     } else if (data) {
-      AscCommon.loadFileContent(data, function(httpRequest) {
-        if (null === httpRequest) {
-          t.handlers.trigger("asc_onError", c_oAscError.ID.Unknown, c_oAscError.Level.Critical);
-          return;
-        }
-        var cp = JSON.parse(httpRequest.responseText);
-        cp['encodings'] = AscCommon.getEncodingParams();
-        t.handlers.trigger("asc_onAdvancedOptions", new AscCommon.asc_CAdvancedOptions(c_oAscAdvancedOptionsID.CSV, cp), t.advancedOptionsAction);
-      });
+		// ToDo разделитель пока только "," http://bugzilla.onlyoffice.com/show_bug.cgi?id=31009
+		var cp = {
+			'codepage': AscCommon.c_oAscCodePageUtf8, "delimiter": AscCommon.c_oAscCsvDelimiter.Comma,
+			'encodings': AscCommon.getEncodingParams()
+		};
+		var options;
+		if (typeof Blob !== 'undefined' && typeof FileReader !== 'undefined') {
+			AscCommon.getJSZipUtils().getBinaryContent(data, function(err, data) {
+				if (err) {
+					t.handlers.trigger("asc_onError", c_oAscError.ID.Unknown, c_oAscError.Level.Critical);
+				} else {
+					cp['data'] = data;
+					options = new AscCommon.asc_CAdvancedOptions(c_oAscAdvancedOptionsID.CSV, cp);
+					t.handlers.trigger("asc_onAdvancedOptions", options, t.advancedOptionsAction);
+				}
+			});
+		} else {
+			options = new AscCommon.asc_CAdvancedOptions(c_oAscAdvancedOptionsID.CSV, cp);
+			t.handlers.trigger("asc_onAdvancedOptions", options, t.advancedOptionsAction);
+		}
     } else {
       t.handlers.trigger("asc_onError", c_oAscError.ID.Unknown, c_oAscError.Level.Critical);
     }
@@ -3580,6 +3591,7 @@ var editor;
   prot["asc_setAdvancedOptions"] = prot.asc_setAdvancedOptions;
   prot["asc_setPageOptions"] = prot.asc_setPageOptions;
   prot["asc_getPageOptions"] = prot.asc_getPageOptions;
+	prot["asc_decodeBuffer"] = prot.asc_decodeBuffer;
 
   prot["asc_registerCallback"] = prot.asc_registerCallback;
   prot["asc_unregisterCallback"] = prot.asc_unregisterCallback;
diff --git a/common/AdvancedOptions.js b/common/AdvancedOptions.js
index dead696afd..083dca1949 100644
--- a/common/AdvancedOptions.js
+++ b/common/AdvancedOptions.js
@@ -72,10 +72,12 @@
 				}
 				return arr;
 			}();
-			this.recommendedSettings = new asc_CCSVAdvancedOptions (opt["codepage"], /*opt["delimiter"]*/AscCommon.c_oAscCsvDelimiter.Comma); // ToDo разделитель пока только "," http://bugzilla.onlyoffice.com/show_bug.cgi?id=31009
+			this.recommendedSettings = new asc_CCSVAdvancedOptions (opt["codepage"], opt["delimiter"]);
+			this.data = opt["data"];
 		}
 		asc_CCSVOptions.prototype.asc_getCodePages = function(){ return this.codePages;};
 		asc_CCSVOptions.prototype.asc_getRecommendedSettings = function () { return this.recommendedSettings; };
+		asc_CCSVOptions.prototype.asc_getData = function () { return this.data; };
 
 		/** @constructor */
 		function asc_CTXTOptions(opt){
@@ -89,9 +91,11 @@
 				return arr;
 			}();
 			this.recommendedSettings = new asc_CTXTAdvancedOptions (opt["codepage"]);
+			this.data = opt["data"];
 		}
 		asc_CTXTOptions.prototype.asc_getCodePages = function(){ return this.codePages;};
 		asc_CTXTOptions.prototype.asc_getRecommendedSettings = function () { return this.recommendedSettings; };
+		asc_CTXTOptions.prototype.asc_getData = function () { return this.data; };
 
 		/** @constructor */
 		function asc_CCSVAdvancedOptions(codepage, delimiter, delimiterChar){
@@ -177,10 +181,12 @@
 		prot = asc_CCSVOptions.prototype;
 		prot["asc_getCodePages"]			= prot.asc_getCodePages;
 		prot["asc_getRecommendedSettings"]	= prot.asc_getRecommendedSettings;
+		prot["asc_getData"]	= prot.asc_getData;
 
 		prot = asc_CTXTOptions.prototype;
 		prot["asc_getCodePages"]			= prot.asc_getCodePages;
 		prot["asc_getRecommendedSettings"]	= prot.asc_getRecommendedSettings;
+		prot["asc_getData"]	= prot.asc_getData;
 
 		window["Asc"].asc_CCSVAdvancedOptions = window["Asc"]["asc_CCSVAdvancedOptions"] = asc_CCSVAdvancedOptions;
 		prot = asc_CCSVAdvancedOptions.prototype;
diff --git a/common/apiBase.js b/common/apiBase.js
index c63c18d9f1..6fd23ad109 100644
--- a/common/apiBase.js
+++ b/common/apiBase.js
@@ -1856,6 +1856,57 @@
 		return this.macros.GetData();
 	};
 
+	function parseCSV(text, options) {
+		var delimiterChar;
+		if (options.asc_getDelimiterChar()) {
+			delimiterChar = options.asc_getDelimiterChar();
+		} else {
+			switch (options.asc_getDelimiter()) {
+				case AscCommon.c_oAscCsvDelimiter.None:
+					delimiterChar = undefined;
+					break;
+				case AscCommon.c_oAscCsvDelimiter.Tab:
+					delimiterChar = "\t";
+					break;
+				case AscCommon.c_oAscCsvDelimiter.Semicolon:
+					delimiterChar = ";";
+					break;
+				case AscCommon.c_oAscCsvDelimiter.Colon:
+					delimiterChar = ":";
+					break;
+				case AscCommon.c_oAscCsvDelimiter.Comma:
+					delimiterChar = ",";
+					break;
+				case AscCommon.c_oAscCsvDelimiter.Space:
+					delimiterChar = " ";
+					break;
+			}
+		}
+		var matrix = [];
+		var rows = text.match(/[^\r\n]+/g);
+		for (var i = 0; i < rows.length; ++i) {
+			var row = rows[i];
+			//todo quotes
+			matrix.push(row.split(delimiterChar));
+		}
+		return matrix;
+	}
+
+	baseEditorsApi.prototype.asc_decodeBuffer = function(buffer, options, callback) {
+		var reader = new FileReader();
+		//todo onerror
+		reader.onload = reader.onerror = function(e) {
+			var text = e.target.result ? e.target.result : "";
+			if (options instanceof Asc.asc_CCSVAdvancedOptions) {
+				callback(parseCSV(text, options));
+			} else {
+				callback(text);
+			}
+		};
+
+		reader.readAsText(new Blob([buffer]), AscCommon.c_oAscEncodings[options.asc_getCodePage()][2]);
+	};
+
 	//----------------------------------------------------------export----------------------------------------------------
 	window['AscCommon']                = window['AscCommon'] || {};
 	window['AscCommon'].baseEditorsApi = baseEditorsApi;
diff --git a/word/api.js b/word/api.js
index 41d2be7910..1862554d22 100644
--- a/word/api.js
+++ b/word/api.js
@@ -6920,14 +6920,30 @@ background-repeat: no-repeat;\
 
 	asc_docs_api.prototype._onNeedParams  = function(data, opt_isPassword)
 	{
+		var t = this;
 		var options;
 		if (opt_isPassword) {
 			options = new AscCommon.asc_CAdvancedOptions(c_oAscAdvancedOptionsID.DRM);
-		} else {
+			t.sendEvent("asc_onAdvancedOptions", options, t.advancedOptionsAction);
+		} else if(data) {
 			var cp = {'codepage': AscCommon.c_oAscCodePageUtf8, 'encodings': AscCommon.getEncodingParams()};
-			options = new AscCommon.asc_CAdvancedOptions(c_oAscAdvancedOptionsID.TXT, cp);
+			if (typeof Blob !== 'undefined' && typeof FileReader !== 'undefined') {
+				AscCommon.getJSZipUtils().getBinaryContent(data, function(err, data) {
+					if (err) {
+						t.sendEvent("asc_onError", c_oAscError.ID.Unknown, c_oAscError.Level.Critical);
+					} else {
+						cp['data'] = data;
+						options = new AscCommon.asc_CAdvancedOptions(c_oAscAdvancedOptionsID.TXT, cp);
+						t.sendEvent("asc_onAdvancedOptions", options, t.advancedOptionsAction);
+					}
+				});
+			} else {
+				options = new AscCommon.asc_CAdvancedOptions(c_oAscAdvancedOptionsID.TXT, cp);
+				t.sendEvent("asc_onAdvancedOptions", options, t.advancedOptionsAction);
+			}
+		} else {
+			t.sendEvent("asc_onError", c_oAscError.ID.Unknown, c_oAscError.Level.Critical);
 		}
-		this.sendEvent("asc_onAdvancedOptions", options, this.advancedOptionsAction);
 	};
 	asc_docs_api.prototype._onOpenCommand = function(data)
 	{
@@ -8824,6 +8840,7 @@ background-repeat: no-repeat;\
 	asc_docs_api.prototype['AddURL']                                    = asc_docs_api.prototype.AddURL;
 	asc_docs_api.prototype['Help']                                      = asc_docs_api.prototype.Help;
 	asc_docs_api.prototype['asc_setAdvancedOptions']                    = asc_docs_api.prototype.asc_setAdvancedOptions;
+	asc_docs_api.prototype['asc_decodeBuffer']                    		= asc_docs_api.prototype.asc_decodeBuffer;
 	asc_docs_api.prototype['SetFontRenderingMode']                      = asc_docs_api.prototype.SetFontRenderingMode;
 	asc_docs_api.prototype['startGetDocInfo']                           = asc_docs_api.prototype.startGetDocInfo;
 	asc_docs_api.prototype['stopGetDocInfo']                            = asc_docs_api.prototype.stopGetDocInfo;