diff --git a/dataformat/csv/classes/writer.php b/dataformat/csv/classes/writer.php
index 36b9eac858a..79562169620 100644
--- a/dataformat/csv/classes/writer.php
+++ b/dataformat/csv/classes/writer.php
@@ -42,7 +42,7 @@ class writer extends \core\dataformat\spout_base {
     protected $extension = ".csv";
 
     /** @var $spouttype */
-    protected $spouttype = \Box\Spout\Common\Type::CSV;
+    protected $spouttype = \OpenSpout\Common\Type::CSV;
 
 }
 
diff --git a/dataformat/excel/classes/writer.php b/dataformat/excel/classes/writer.php
index 269e9b87a34..5e73a4e94ce 100644
--- a/dataformat/excel/classes/writer.php
+++ b/dataformat/excel/classes/writer.php
@@ -42,7 +42,7 @@ class writer extends \core\dataformat\spout_base {
     protected $extension = ".xlsx";
 
     /** @var $spouttype */
-    protected $spouttype = \Box\Spout\Common\Type::XLSX;
+    protected $spouttype = \OpenSpout\Common\Type::XLSX;
 
     /**
      * Set the title of the worksheet inside a spreadsheet
diff --git a/dataformat/excel/tests/writer_test.php b/dataformat/excel/tests/writer_test.php
index ec9fce708ba..1a8e139442d 100644
--- a/dataformat/excel/tests/writer_test.php
+++ b/dataformat/excel/tests/writer_test.php
@@ -57,15 +57,15 @@ class writer_test extends \advanced_testcase {
         $file = tempnam(sys_get_temp_dir(), 'excel_');
         $handle = fopen($file, "w");
         fwrite($handle, $content);
-        /** @var \Box\Spout\Reader\XLSX\Reader $reader */
-        $reader = \Box\Spout\Reader\Common\Creator\ReaderFactory::createFromType(\Box\Spout\Common\Type::XLSX);
+        /** @var \OpenSpout\Reader\XLSX\Reader $reader */
+        $reader = \OpenSpout\Reader\Common\Creator\ReaderFactory::createFromType(\OpenSpout\Common\Type::XLSX);
         $reader->open($file);
 
-        /** @var \Box\Spout\Reader\XLSX\Sheet[] $sheets */
+        /** @var \OpenSpout\Reader\XLSX\Sheet[] $sheets */
         $sheets = $reader->getSheetIterator();
         $rowscellsvalues = [];
         foreach ($sheets as $sheet) {
-            /** @var \Box\Spout\Common\Entity\Row[] $rows */
+            /** @var \OpenSpout\Common\Entity\Row[] $rows */
             $rows = $sheet->getRowIterator();
             foreach ($rows as $row) {
                 $thisvalues = [];
diff --git a/dataformat/ods/classes/writer.php b/dataformat/ods/classes/writer.php
index 9418abe652e..7c94d39a79a 100644
--- a/dataformat/ods/classes/writer.php
+++ b/dataformat/ods/classes/writer.php
@@ -42,7 +42,7 @@ class writer extends \core\dataformat\spout_base {
     protected $extension = ".ods";
 
     /** @var $spouttype */
-    protected $spouttype = \Box\Spout\Common\Type::ODS;
+    protected $spouttype = \OpenSpout\Common\Type::ODS;
 
     /**
      * Set the title of the worksheet inside a spreadsheet
diff --git a/dataformat/ods/tests/writer_test.php b/dataformat/ods/tests/writer_test.php
index fe71ab0f50b..c905f1519a5 100644
--- a/dataformat/ods/tests/writer_test.php
+++ b/dataformat/ods/tests/writer_test.php
@@ -51,20 +51,20 @@ class writer_test extends \advanced_testcase {
      * Get ods rows from binary content
      * @param string $content
      * @return array
-     * @throws \Box\Spout\Common\Exception\IOException
-     * @throws \Box\Spout\Reader\Exception\ReaderNotOpenedException
+     * @throws \OpenSpout\Common\Exception\IOException
+     * @throws \OpenSpout\Reader\Exception\ReaderNotOpenedException
      */
     private function get_ods_rows_content($content) {
-        $reader = \Box\Spout\Reader\Common\Creator\ReaderFactory::createFromType(\Box\Spout\Common\Type::ODS);
+        $reader = \OpenSpout\Reader\Common\Creator\ReaderFactory::createFromType(\OpenSpout\Common\Type::ODS);
         $file = tempnam(sys_get_temp_dir(), 'ods_');
         $handle = fopen($file, "w");
         fwrite($handle, $content);
         $reader->open($file);
-        /** @var \Box\Spout\Reader\ODS\Sheet[] $sheets */
+        /** @var \OpenSpout\Reader\ODS\Sheet[] $sheets */
         $sheets = $reader->getSheetIterator();
         $rowscellsvalues = [];
         foreach ($sheets as $sheet) {
-            /** @var \Box\Spout\Common\Entity\Row[] $rows */
+            /** @var \OpenSpout\Common\Entity\Row[] $rows */
             $rows = $sheet->getRowIterator();
             foreach ($rows as $row) {
                 $thisvalues = [];
diff --git a/lib/classes/dataformat/spout_base.php b/lib/classes/dataformat/spout_base.php
index 4c582707ec3..3f1ba427ef0 100644
--- a/lib/classes/dataformat/spout_base.php
+++ b/lib/classes/dataformat/spout_base.php
@@ -51,7 +51,7 @@ abstract class spout_base extends \core\dataformat\base {
      * Output file headers to initialise the download of the file.
      */
     public function send_http_headers() {
-        $this->writer = \Box\Spout\Writer\Common\Creator\WriterEntityFactory::createWriter($this->spouttype);
+        $this->writer = \OpenSpout\Writer\Common\Creator\WriterEntityFactory::createWriter($this->spouttype);
         if (method_exists($this->writer, 'setTempFolder')) {
             $this->writer->setTempFolder(make_request_directory());
         }
@@ -70,7 +70,7 @@ abstract class spout_base extends \core\dataformat\base {
      * Set the dataformat to be output to current file
      */
     public function start_output_to_file(): void {
-        $this->writer = \Box\Spout\Writer\Common\Creator\WriterEntityFactory::createWriter($this->spouttype);
+        $this->writer = \OpenSpout\Writer\Common\Creator\WriterEntityFactory::createWriter($this->spouttype);
         if (method_exists($this->writer, 'setTempFolder')) {
             $this->writer->setTempFolder(make_request_directory());
         }
@@ -100,7 +100,7 @@ abstract class spout_base extends \core\dataformat\base {
      * @param array $columns
      */
     public function start_sheet($columns) {
-        if ($this->sheettitle && $this->writer instanceof \Box\Spout\Writer\WriterMultiSheetsAbstract) {
+        if ($this->sheettitle && $this->writer instanceof \OpenSpout\Writer\WriterMultiSheetsAbstract) {
             if ($this->renamecurrentsheet) {
                 $sheet = $this->writer->getCurrentSheet();
                 $this->renamecurrentsheet = false;
@@ -109,7 +109,7 @@ abstract class spout_base extends \core\dataformat\base {
             }
             $sheet->setName($this->sheettitle);
         }
-        $row = \Box\Spout\Writer\Common\Creator\WriterEntityFactory::createRowFromArray((array)$columns);
+        $row = \OpenSpout\Writer\Common\Creator\WriterEntityFactory::createRowFromArray((array)$columns);
         $this->writer->addRow($row);
     }
 
@@ -120,7 +120,7 @@ abstract class spout_base extends \core\dataformat\base {
      * @param int $rownum
      */
     public function write_record($record, $rownum) {
-        $row = \Box\Spout\Writer\Common\Creator\WriterEntityFactory::createRowFromArray($this->format_record($record));
+        $row = \OpenSpout\Writer\Common\Creator\WriterEntityFactory::createRowFromArray($this->format_record($record));
         $this->writer->addRow($row);
     }
 
diff --git a/lib/db/renamedclasses.php b/lib/db/renamedclasses.php
index 6547bfd22c5..01b3ada5bff 100644
--- a/lib/db/renamedclasses.php
+++ b/lib/db/renamedclasses.php
@@ -90,4 +90,6 @@ $renamedclasses = [
     'core_cohort\\local\\entities\\cohort' => 'core_cohort\\reportbuilder\\local\\entities\\cohort',
     'core_cohort\\local\\entities\\cohort_member' => 'core_cohort\\reportbuilder\\local\\entities\\cohort_member',
     'core_block\\local\\views\\secondary' => 'core_block\\navigation\\views\\secondary',
+    // Since Moodle 4.2.
+    'Box\\Spout' => 'OpenSpout',
 ];