diff --git a/src/PhpSpreadsheet/Writer/Xlsx.php b/src/PhpSpreadsheet/Writer/Xlsx.php
index 4a81ab861..26c185e1f 100644
--- a/src/PhpSpreadsheet/Writer/Xlsx.php
+++ b/src/PhpSpreadsheet/Writer/Xlsx.php
@@ -134,6 +134,8 @@ class Xlsx extends BaseWriter
 
     private Worksheet $writerPartWorksheet;
 
+    private bool $explicitStyle0 = false;
+
     /**
      * Create a new Xlsx Writer.
      */
@@ -699,4 +701,21 @@ class Xlsx extends BaseWriter
 
         return $data;
     }
+
+    public function getExplicitStyle0(): bool
+    {
+        return $this->explicitStyle0;
+    }
+
+    /**
+     * This may be useful if non-default Alignment is part of default style
+     * and you think you might want to open the spreadsheet
+     * with LibreOffice or Gnumeric.
+     */
+    public function setExplicitStyle0(bool $explicitStyle0): self
+    {
+        $this->explicitStyle0 = $explicitStyle0;
+
+        return $this;
+    }
 }
diff --git a/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php b/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php
index 49d1ef67f..a14ff2812 100644
--- a/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php
+++ b/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php
@@ -28,6 +28,8 @@ class Worksheet extends WriterPart
 
     private string $evalError = '';
 
+    private bool $explicitStyle0;
+
     /**
      * Write worksheet to XML format.
      *
@@ -38,6 +40,7 @@ class Worksheet extends WriterPart
      */
     public function writeWorksheet(PhpspreadsheetWorksheet $worksheet, array $stringTable = [], bool $includeCharts = false): string
     {
+        $this->explicitStyle0 = $this->getParentWriter()->getExplicitStyle0();
         $this->numberStoredAsText = '';
         $this->formula = '';
         $this->twoDigitTextYear = '';
@@ -1441,7 +1444,11 @@ class Worksheet extends WriterPart
         $objWriter->writeAttribute('r', $cellAddress);
 
         // Sheet styles
-        self::writeAttributeIf($objWriter, (bool) $xfi, 's', "$xfi");
+        if ($xfi) {
+            $objWriter->writeAttribute('s', "$xfi");
+        } elseif ($this->explicitStyle0) {
+            $objWriter->writeAttribute('s', '0');
+        }
 
         // If cell value is supplied, write cell value
         if ($writeValue) {
diff --git a/tests/PhpSpreadsheetTests/Writer/Xlsx/ExplicitStyle0Test.php b/tests/PhpSpreadsheetTests/Writer/Xlsx/ExplicitStyle0Test.php
new file mode 100644
index 000000000..57312dfba
--- /dev/null
+++ b/tests/PhpSpreadsheetTests/Writer/Xlsx/ExplicitStyle0Test.php
@@ -0,0 +1,106 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpOffice\PhpSpreadsheetTests\Writer\Xlsx;
+
+use PhpOffice\PhpSpreadsheet\Reader\Xlsx as XlsxReader;
+use PhpOffice\PhpSpreadsheet\Shared\File;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Style\Alignment;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx as XlsxWriter;
+use PHPUnit\Framework\TestCase;
+
+class ExplicitStyle0Test extends TestCase
+{
+    private string $outputFile = '';
+
+    protected function tearDown(): void
+    {
+        if ($this->outputFile !== '') {
+            unlink($this->outputFile);
+            $this->outputFile = '';
+        }
+    }
+
+    public function testWithoutExplicitStyle0(): void
+    {
+        $spreadsheet = new Spreadsheet();
+        $defaultStyle = $spreadsheet->getDefaultStyle();
+        $defaultStyle->getFont()->setBold(true);
+        $defaultStyle->getAlignment()->setHorizontal(Alignment::HORIZONTAL_CENTER);
+        $sheet = $spreadsheet->getActiveSheet();
+        $sheet->getCell('A1')->setValue('bold');
+        $sheet->getCell('A2')->setValue('italic');
+        $sheet->getStyle('A2')->getFont()->setItalic(true);
+        $writer = new XlsxWriter($spreadsheet);
+        $this->outputFile = File::temporaryFilename();
+        $writer->save($this->outputFile);
+        $spreadsheet->disconnectWorksheets();
+
+        $reader = new XlsxReader();
+        $spreadsheet2 = $reader->load($this->outputFile);
+        $sheet2 = $spreadsheet2->getActiveSheet();
+        $styleA1 = $sheet2->getStyle('A1');
+        self::assertTrue($styleA1->getFont()->getBold());
+        self::assertFalse($styleA1->getFont()->getItalic());
+        self::assertSame(Alignment::HORIZONTAL_CENTER, $styleA1->getAlignment()->getHorizontal());
+        $styleA2 = $sheet2->getStyle('A2');
+        self::assertTrue($styleA1->getFont()->getBold());
+        self::assertTrue($styleA1->getFont()->getItalic());
+        self::assertSame(Alignment::HORIZONTAL_CENTER, $styleA1->getAlignment()->getHorizontal());
+        $spreadsheet2->disconnectWorksheets();
+
+        $file = 'zip://';
+        $file .= $this->outputFile;
+        $file .= '#xl/worksheets/sheet1.xml';
+        $data = file_get_contents($file);
+        if ($data === false) {
+            self::fail('Unable to read file');
+        } else {
+            self::assertStringContainsString('<c r="A1" t="s"><v>0</v></c>', $data, 'no s attribute in c tag');
+            self::assertStringContainsString('<c r="A2" s="1" t="s"><v>1</v></c>', $data);
+        }
+    }
+
+    public function testWithExplicitStyle0(): void
+    {
+        $spreadsheet = new Spreadsheet();
+        $defaultStyle = $spreadsheet->getDefaultStyle();
+        $defaultStyle->getFont()->setBold(true);
+        $defaultStyle->getAlignment()->setHorizontal(Alignment::HORIZONTAL_CENTER);
+        $sheet = $spreadsheet->getActiveSheet();
+        $sheet->getCell('A1')->setValue('bold');
+        $sheet->getCell('A2')->setValue('italic');
+        $sheet->getStyle('A2')->getFont()->setItalic(true);
+        $writer = new XlsxWriter($spreadsheet);
+        $writer->setExplicitStyle0(true);
+        $this->outputFile = File::temporaryFilename();
+        $writer->save($this->outputFile);
+        $spreadsheet->disconnectWorksheets();
+
+        $reader = new XlsxReader();
+        $spreadsheet2 = $reader->load($this->outputFile);
+        $sheet2 = $spreadsheet2->getActiveSheet();
+        $styleA1 = $sheet2->getStyle('A1');
+        self::assertTrue($styleA1->getFont()->getBold());
+        self::assertFalse($styleA1->getFont()->getItalic());
+        self::assertSame(Alignment::HORIZONTAL_CENTER, $styleA1->getAlignment()->getHorizontal());
+        $styleA2 = $sheet2->getStyle('A2');
+        self::assertTrue($styleA1->getFont()->getBold());
+        self::assertTrue($styleA1->getFont()->getItalic());
+        self::assertSame(Alignment::HORIZONTAL_CENTER, $styleA1->getAlignment()->getHorizontal());
+        $spreadsheet2->disconnectWorksheets();
+
+        $file = 'zip://';
+        $file .= $this->outputFile;
+        $file .= '#xl/worksheets/sheet1.xml';
+        $data = file_get_contents($file);
+        if ($data === false) {
+            self::fail('Unable to read file');
+        } else {
+            self::assertStringContainsString('<c r="A1" s="0" t="s"><v>0</v></c>', $data, 'has s attribute in c tag');
+            self::assertStringContainsString('<c r="A2" s="1" t="s"><v>1</v></c>', $data);
+        }
+    }
+}