diff --git a/index.html b/index.html
index 77f53d4..772f844 100644
--- a/index.html
+++ b/index.html
@@ -27,7 +27,7 @@
 <input type="radio" name="format" value="json"> JSON<br>
 <input type="radio" name="format" value="form"> FORMULAE<br>
 
-<div id="drop">Drop an XLSX file here to see sheet data.</div>
+<div id="drop">Drop an XLSX or XLSM file here to see sheet data.</div>
 <textarea id="b64data">... or paste a base64-encoding here</textarea>
 <input type="button" id="dotext" value="Click here to process the base64 text" onclick="b64it();"/>
 <pre id="out"></pre>
diff --git a/xlsx.js b/xlsx.js
index a37a33d..e885a4f 100644
--- a/xlsx.js
+++ b/xlsx.js
@@ -419,7 +419,7 @@ SSF.load_table = function(tbl) { for(var i=0; i!=0x0188; ++i) if(tbl[i]) SSF.loa
 make_ssf(SSF);
 var XLSX = {};
 (function(XLSX){
-XLSX.version = '0.3.9';
+XLSX.version = '0.3.10';
 function parsexmltag(tag) {
 	var words = tag.split(/\s+/);
 	var z = {'0': words[0]};
@@ -627,6 +627,7 @@ var parse_sst = (function(){
 
 var ct2type = {
 	"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml": "workbooks",
+	"application/vnd.ms-excel.sheet.macroEnabled.main+xml":"workbooks", /*XLSM*/
 	"application/vnd.openxmlformats-package.core-properties+xml": "coreprops",
 	"application/vnd.openxmlformats-officedocument.extended-properties+xml": "extprops",
 	"application/vnd.openxmlformats-officedocument.spreadsheetml.calcChain+xml": "calcchains",