Index: trunk/jackrabbit-text-extractors/src/main/java/org/apache/jackrabbit/extractor/MsExcelTextExtractor.java
===================================================================
--- trunk/jackrabbit-text-extractors/src/main/java/org/apache/jackrabbit/extractor/MsExcelTextExtractor.java	(revision 671351)
+++ trunk/jackrabbit-text-extractors/src/main/java/org/apache/jackrabbit/extractor/MsExcelTextExtractor.java	Tue Jun 24 23:31:54 CEST 2008
@@ -48,7 +48,7 @@
      * Creates a new <code>MsExcelTextExtractor</code> instance.
      */
     public MsExcelTextExtractor() {
-        super(new String[]{"application/vnd.ms-excel", "application/msexcel"});
+        super(new String[]{"application/vnd.ms-excel", "application/msexcel", "application/excel"});
     }
 
     //-------------------------------------------------------< TextExtractor >
Index: trunk/jackrabbit-text-extractors/src/main/java/org/apache/jackrabbit/extractor/MsPowerPointTextExtractor.java
===================================================================
--- trunk/jackrabbit-text-extractors/src/main/java/org/apache/jackrabbit/extractor/MsPowerPointTextExtractor.java	(revision 671351)
+++ trunk/jackrabbit-text-extractors/src/main/java/org/apache/jackrabbit/extractor/MsPowerPointTextExtractor.java	Tue Jun 24 23:31:36 CEST 2008
@@ -49,7 +49,8 @@
      */
     public MsPowerPointTextExtractor() {
         super(new String[]{"application/vnd.ms-powerpoint",
-                           "application/mspowerpoint"});
+                           "application/mspowerpoint",
+                           "application/powerpoint"});
     }
 
     //-------------------------------------------------------< TextExtractor >