diff --git a/etemplate/inc/class.bo_merge.inc.php b/etemplate/inc/class.bo_merge.inc.php
index e9874638a6..62758e6028 100644
--- a/etemplate/inc/class.bo_merge.inc.php
+++ b/etemplate/inc/class.bo_merge.inc.php
@@ -389,53 +389,52 @@ abstract class bo_merge
 		}
 		// Tags we can replace with the target document's version
 		$replace_tags = array();
-		// check if we can use the XSL extension, to not give a fatal error and rendering whole merge-print non-functional
-		if (class_exists(XSLTProcessor) && class_exists(DOMDocument))
+		switch($mimetype.$mso_application_progid)
 		{
-			switch($mimetype.$mso_application_progid)
-			{
-				case 'application/vnd.oasis.opendocument.text':		// open office
-				case 'application/vnd.oasis.opendocument.spreadsheet':
-					// It seems easier to split the parent tags here
-					$replace_tags = array(
-						'/<(ol|ul|table)( [^>]*)?>/' => '</text:p><$1$2>',
-						'/<\/(ol|ul|table)>/' => '</$1><text:p>',
-						//'/<(li)(.*?)>(.*?)<\/\1>/' => '<$1 $2>$3</$1>',
-					);
-					$content = preg_replace(array_keys($replace_tags),array_values($replace_tags),$content);
+			case 'application/vnd.oasis.opendocument.text':		// open office
+			case 'application/vnd.oasis.opendocument.spreadsheet':
+				// It seems easier to split the parent tags here
+				$replace_tags = array(
+					'/<(ol|ul|table)( [^>]*)?>/' => '</text:p><$1$2>',
+					'/<\/(ol|ul|table)>/' => '</$1><text:p>',
+					//'/<(li)(.*?)>(.*?)<\/\1>/' => '<$1 $2>$3</$1>',
+				);
+				$content = preg_replace(array_keys($replace_tags),array_values($replace_tags),$content);
 
-					$doc = new DOMDocument();
-					$xslt = new XSLTProcessor();
-					$doc->load(EGW_INCLUDE_ROOT.'/etemplate/templates/default/openoffice.xslt');
-					$xslt->importStyleSheet($doc);
-					break;
-				case 'application/xmlWord.Document':	// Word 2003*/
-				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
-				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-					$replace_tags = array(
-						'b','strong','i','em','u','span'
-					);
-					// It seems easier to split the parent tags here
-					$replace_tags = array(
-						// Tables, lists don't go inside <w:p>
-						'/<(ol|ul|table)( [^>]*)?>/' => '</w:t></w:r></w:p><$1$2>',
-						'/<\/(ol|ul|table)>/' => '</$1><w:p><w:r><w:t>',
-						// Fix for things other than text (newlines) inside table row
-						'/<(td)( [^>]*)?>((?!<w:t>))(.*?)<\/td>[\s]*?/' => '<$1$2><w:t>$4</w:t></td>',
-						// Remove extra whitespace
-						'/<li([^>]*?)>[^:print:]*?(.*?)<\/li>/' => '<li$1>$2</li>', // This doesn't get it all
-						'/<w:t>[\s]+(.*?)<\/w:t>/' => '<w:t>$1</w:t>',
-						// Remove spans with no attributes, linebreaks inside them cause problems
-						'/<span>(.*?)<\/span>/' => '$1'
-					);
-					$content = preg_replace(array_keys($replace_tags),array_values($replace_tags),$content);
-					$doc = new DOMDocument();
-					$xslt = new XSLTProcessor();
-					$xslt_file = $mimetype == 'application/xml' ? 'wordml.xslt' : 'msoffice.xslt';
-					$doc->load(EGW_INCLUDE_ROOT.'/etemplate/templates/default/'.$xslt_file);
-					$xslt->importStyleSheet($doc);
-					break;
-			}
+				$doc = new DOMDocument();
+				$xslt = new XSLTProcessor();
+				$doc->load(EGW_INCLUDE_ROOT.'/etemplate/templates/default/openoffice.xslt');
+				$xslt->importStyleSheet($doc);
+
+//echo $content;die();
+				break;
+			case 'application/xmlWord.Document':	// Word 2003*/
+			case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
+			case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+				$replace_tags = array(
+					'b','strong','i','em','u','span'
+				);
+				// It seems easier to split the parent tags here
+				$replace_tags = array(
+					// Tables, lists don't go inside <w:p>
+					'/<(ol|ul|table)( [^>]*)?>/' => '</w:t></w:r></w:p><$1$2>',
+					'/<\/(ol|ul|table)>/' => '</$1><w:p><w:r><w:t>',
+					// Fix for things other than text (newlines) inside table row
+					'/<(td)( [^>]*)?>((?!<w:t>))(.*?)<\/td>[\s]*?/' => '<$1$2><w:t>$4</w:t></td>',
+					// Remove extra whitespace
+					'/<li([^>]*?)>[^:print:]*?(.*?)<\/li>/' => '<li$1>$2</li>', // This doesn't get it all
+					'/<w:t>[\s]+(.*?)<\/w:t>/' => '<w:t>$1</w:t>',
+					// Remove spans with no attributes, linebreaks inside them cause problems
+					'/<span>(.*?)<\/span>/' => '$1'
+				);
+				$content = preg_replace(array_keys($replace_tags),array_values($replace_tags),$content);
+//echo $content;die();
+				$doc = new DOMDocument();
+				$xslt = new XSLTProcessor();
+				$xslt_file = $mimetype == 'application/xml' ? 'wordml.xslt' : 'msoffice.xslt';
+				$doc->load(EGW_INCLUDE_ROOT.'/etemplate/templates/default/'.$xslt_file);
+				$xslt->importStyleSheet($doc);
+				break;
 		}
 
 		// XSLT transform known tags
@@ -445,6 +444,8 @@ abstract class bo_merge
 			{
 				$element = new SimpleXMLelement($content);
 				$content = @$xslt->transformToXml($element);
+
+//echo $content;die();
 				// Word 2003 needs two declarations, add extra declaration back in
 				if($mimetype == 'application/xml' && $mso_application_progid == 'Word.Document' && strpos($content, '<?xml') !== 0) {
 					$content = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'.$content;
@@ -698,23 +699,27 @@ abstract class bo_merge
 
 			// Tags we can replace with the target document's version
 			$replace_tags = array();
-			switch($mimetype.$mso_application_progid)
+			// only keep tags, if we have xsl extension available
+			if (class_exists(XSLTProcessor) && class_exists(DOMDocument))
 			{
-				case 'application/vnd.oasis.opendocument.text':		// open office
-				case 'application/vnd.oasis.opendocument.spreadsheet':
-					$replace_tags = array(
-						'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
-						'<table>','<tr>','<td>',
-					);
-					break;
-				case 'application/xmlWord.Document':	// Word 2003*/
-				case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
-				case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
-					$replace_tags = array(
-						'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
-						'<table>','<tr>','<td>',
-					);
-					break;
+				switch($mimetype.$mso_application_progid)
+				{
+					case 'application/vnd.oasis.opendocument.text':		// open office
+					case 'application/vnd.oasis.opendocument.spreadsheet':
+						$replace_tags = array(
+							'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
+							'<table>','<tr>','<td>',
+						);
+						break;
+					case 'application/xmlWord.Document':	// Word 2003*/
+					case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':	// ms office 2007
+					case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
+						$replace_tags = array(
+							'<b>','<strong>','<i>','<em>','<u>','<span>','<ol>','<ul>','<li>',
+							'<table>','<tr>','<td>',
+						);
+						break;
+				}
 			}
 			// clean replacements from array values and html or html-entities, which mess up xml
 			foreach($replacements as $name => &$value)
@@ -1040,8 +1045,11 @@ abstract class bo_merge
 		}
 
 		// Apply HTML formatting to target document, if possible
-		$this->apply_styles($merged, $mimetype);
-
+		// check if we can use the XSL extension, to not give a fatal error and rendering whole merge-print non-functional
+		if (class_exists(XSLTProcessor) && class_exists(DOMDocument))
+		{
+			$this->apply_styles($merged, $mimetype);
+		}
 		if(!empty($name))
 		{
 			if(empty($ext))