diff --git a/src/PhpSpreadsheet/Reader/Xlsx/PageSetup.php b/src/PhpSpreadsheet/Reader/Xlsx/PageSetup.php
index bfb7a1f5..b556703c 100644
--- a/src/PhpSpreadsheet/Reader/Xlsx/PageSetup.php
+++ b/src/PhpSpreadsheet/Reader/Xlsx/PageSetup.php
@@ -69,6 +69,9 @@ class PageSetup extends BaseParserClass
                 self::boolean((string) $xmlSheet->pageSetup['useFirstPageNumber'])) {
                 $docPageSetup->setFirstPageNumber((int) ($xmlSheet->pageSetup['firstPageNumber']));
             }
+            if (isset($xmlSheet->pageSetup['pageOrder'])) {
+                $docPageSetup->setPageOrder((string) $xmlSheet->pageSetup['pageOrder']);
+            }
 
             $relAttributes = $xmlSheet->pageSetup->attributes('http://schemas.openxmlformats.org/officeDocument/2006/relationships');
             if (isset($relAttributes['id'])) {
diff --git a/src/PhpSpreadsheet/Worksheet/PageSetup.php b/src/PhpSpreadsheet/Worksheet/PageSetup.php
index f29dbad5..f52b414a 100644
--- a/src/PhpSpreadsheet/Worksheet/PageSetup.php
+++ b/src/PhpSpreadsheet/Worksheet/PageSetup.php
@@ -156,6 +156,9 @@ class PageSetup
     const SETPRINTRANGE_OVERWRITE = 'O';
     const SETPRINTRANGE_INSERT = 'I';
 
+    const PAGEORDER_OVER_THEN_DOWN = 'overThenDown';
+    const PAGEORDER_DOWN_THEN_OVER = 'downThenOver';
+
     /**
      * Paper size.
      *
@@ -246,6 +249,8 @@ class PageSetup
      */
     private $firstPageNumber;
 
+    private $pageOrder;
+
     /**
      * Create a new PageSetup.
      */
@@ -818,6 +823,20 @@ class PageSetup
         return $this->setFirstPageNumber(null);
     }
 
+    public function getPageOrder(): string
+    {
+        return $this->pageOrder;
+    }
+
+    public function setPageOrder(?string $pageOrder): self
+    {
+        if ($pageOrder === null || $pageOrder === self::PAGEORDER_DOWN_THEN_OVER || $pageOrder === self::PAGEORDER_OVER_THEN_DOWN) {
+            $this->pageOrder = $pageOrder;
+        }
+
+        return $this;
+    }
+
     /**
      * Implement PHP __clone to create a deep clone, not just a shallow copy.
      */
diff --git a/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php b/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php
index be064256..2a8a3add 100644
--- a/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php
+++ b/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php
@@ -875,6 +875,9 @@ class Worksheet extends WriterPart
             $objWriter->writeAttribute('firstPageNumber', $pSheet->getPageSetup()->getFirstPageNumber());
             $objWriter->writeAttribute('useFirstPageNumber', '1');
         }
+        if ($pSheet->getPageSetup()->getPageOrder() !== null) {
+            $objWriter->writeAttribute('pageOrder', $pSheet->getPageSetup()->getPageOrder());
+        }
 
         $getUnparsedLoadedData = $pSheet->getParent()->getUnparsedLoadedData();
         if (isset($getUnparsedLoadedData['sheets'][$pSheet->getCodeName()]['pageSetupRelId'])) {