diff --git a/src/PhpSpreadsheet/Cell/Cell.php b/src/PhpSpreadsheet/Cell/Cell.php
index e721673be9..e9e41d7c7b 100644
--- a/src/PhpSpreadsheet/Cell/Cell.php
+++ b/src/PhpSpreadsheet/Cell/Cell.php
@@ -71,6 +71,9 @@ class Cell
      */
     private $formulaAttributes;
 
+    /** @var IgnoredErrors */
+    private $ignoredErrors;
+
     /**
      * Update the cell into the cell collection.
      *
@@ -119,6 +122,7 @@ public function __construct($value, ?string $dataType, Worksheet $worksheet)
         } elseif (self::getValueBinder()->bindValue($this, $value) === false) {
             throw new Exception('Value could not be bound to cell.');
         }
+        $this->ignoredErrors = new IgnoredErrors();
     }
 
     /**
@@ -796,4 +800,9 @@ public function __toString()
     {
         return (string) $this->getValue();
     }
+
+    public function getIgnoredErrors(): IgnoredErrors
+    {
+        return $this->ignoredErrors;
+    }
 }
diff --git a/src/PhpSpreadsheet/Cell/IgnoredErrors.php b/src/PhpSpreadsheet/Cell/IgnoredErrors.php
new file mode 100644
index 0000000000..ee4b515620
--- /dev/null
+++ b/src/PhpSpreadsheet/Cell/IgnoredErrors.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Cell;
+
+class IgnoredErrors
+{
+    /** @var bool */
+    private $numberStoredAsText = false;
+
+    /** @var bool */
+    private $formula = false;
+
+    /** @var bool */
+    private $twoDigitTextYear = false;
+
+    /** @var bool */
+    private $evalError = false;
+
+    public function setNumberStoredAsText(bool $value): self
+    {
+        $this->numberStoredAsText = $value;
+
+        return $this;
+    }
+
+    public function getNumberStoredAsText(): bool
+    {
+        return $this->numberStoredAsText;
+    }
+
+    public function setFormula(bool $value): self
+    {
+        $this->formula = $value;
+
+        return $this;
+    }
+
+    public function getFormula(): bool
+    {
+        return $this->formula;
+    }
+
+    public function setTwoDigitTextYear(bool $value): self
+    {
+        $this->twoDigitTextYear = $value;
+
+        return $this;
+    }
+
+    public function getTwoDigitTextYear(): bool
+    {
+        return $this->twoDigitTextYear;
+    }
+
+    public function setEvalError(bool $value): self
+    {
+        $this->evalError = $value;
+
+        return $this;
+    }
+
+    public function getEvalError(): bool
+    {
+        return $this->evalError;
+    }
+}
diff --git a/src/PhpSpreadsheet/Reader/Xlsx.php b/src/PhpSpreadsheet/Reader/Xlsx.php
index 3a76b05b51..310fef74f8 100644
--- a/src/PhpSpreadsheet/Reader/Xlsx.php
+++ b/src/PhpSpreadsheet/Reader/Xlsx.php
@@ -956,6 +956,12 @@ protected function loadSpreadsheetFromFile(string $filename): Spreadsheet
                                     ++$cIndex;
                                 }
                             }
+                            if ($xmlSheetNS && $xmlSheetNS->ignoredErrors) {
+                                foreach ($xmlSheetNS->ignoredErrors->ignoredError as $ignoredErrorx) {
+                                    $ignoredError = self::testSimpleXml($ignoredErrorx);
+                                    $this->processIgnoredErrors($ignoredError, $docSheet);
+                                }
+                            }
 
                             if (!$this->readDataOnly && $xmlSheetNS && $xmlSheetNS->sheetProtection) {
                                 $protAttr = $xmlSheetNS->sheetProtection->attributes() ?? [];
@@ -2263,4 +2269,48 @@ private static function extractPalette(?SimpleXMLElement $sxml): array
 
         return $array;
     }
+
+    private function processIgnoredErrors(SimpleXMLElement $xml, Worksheet $sheet): void
+    {
+        $attributes = self::getAttributes($xml);
+        $sqref = (string) ($attributes['sqref'] ?? '');
+        $numberStoredAsText = (string) ($attributes['numberStoredAsText'] ?? '');
+        $formula = (string) ($attributes['formula'] ?? '');
+        $twoDigitTextYear = (string) ($attributes['twoDigitTextYear'] ?? '');
+        $evalError = (string) ($attributes['evalError'] ?? '');
+        if (!empty($sqref)) {
+            $explodedSqref = explode(' ', $sqref);
+            $pattern1 = '/^([A-Z]{1,3})([0-9]{1,7})(:([A-Z]{1,3})([0-9]{1,7}))?$/';
+            foreach ($explodedSqref as $sqref1) {
+                if (preg_match($pattern1, $sqref1, $matches) === 1) {
+                    $firstRow = $matches[2];
+                    $firstCol = $matches[1];
+                    if (array_key_exists(3, $matches)) {
+                        $lastCol = $matches[4];
+                        $lastRow = $matches[5];
+                    } else {
+                        $lastCol = $firstCol;
+                        $lastRow = $firstRow;
+                    }
+                    ++$lastCol;
+                    for ($row = $firstRow; $row <= $lastRow; ++$row) {
+                        for ($col = $firstCol; $col !== $lastCol; ++$col) {
+                            if ($numberStoredAsText === '1') {
+                                $sheet->getCell("$col$row")->getIgnoredErrors()->setNumberStoredAsText(true);
+                            }
+                            if ($formula === '1') {
+                                $sheet->getCell("$col$row")->getIgnoredErrors()->setFormula(true);
+                            }
+                            if ($twoDigitTextYear === '1') {
+                                $sheet->getCell("$col$row")->getIgnoredErrors()->setTwoDigitTextYear(true);
+                            }
+                            if ($evalError === '1') {
+                                $sheet->getCell("$col$row")->getIgnoredErrors()->setEvalError(true);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
 }
diff --git a/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php b/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php
index 53c4512457..5e453b3d86 100644
--- a/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php
+++ b/src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php
@@ -18,6 +18,18 @@
 
 class Worksheet extends WriterPart
 {
+    /** @var string */
+    private $numberStoredAsText = '';
+
+    /** @var string */
+    private $formula = '';
+
+    /** @var string */
+    private $twoDigitTextYear = '';
+
+    /** @var string */
+    private $evalError = '';
+
     /**
      * Write worksheet to XML format.
      *
@@ -28,6 +40,10 @@ class Worksheet extends WriterPart
      */
     public function writeWorksheet(PhpspreadsheetWorksheet $worksheet, $stringTable = [], $includeCharts = false)
     {
+        $this->numberStoredAsText = '';
+        $this->formula = '';
+        $this->twoDigitTextYear = '';
+        $this->evalError = '';
         // Create XML writer
         $objWriter = null;
         if ($this->getParentWriter()->getUseDiskCaching()) {
@@ -118,6 +134,9 @@ public function writeWorksheet(PhpspreadsheetWorksheet $worksheet, $stringTable
         // AlternateContent
         $this->writeAlternateContent($objWriter, $worksheet);
 
+        // IgnoredErrors
+        $this->writeIgnoredErrors($objWriter);
+
         // Table
         $this->writeTable($objWriter, $worksheet);
 
@@ -131,6 +150,32 @@ public function writeWorksheet(PhpspreadsheetWorksheet $worksheet, $stringTable
         return $objWriter->getData();
     }
 
+    private function writeIgnoredError(XMLWriter $objWriter, bool &$started, string $attr, string $cells): void
+    {
+        if ($cells !== '') {
+            if (!$started) {
+                $objWriter->startElement('ignoredErrors');
+                $started = true;
+            }
+            $objWriter->startElement('ignoredError');
+            $objWriter->writeAttribute('sqref', substr($cells, 1));
+            $objWriter->writeAttribute($attr, '1');
+            $objWriter->endElement();
+        }
+    }
+
+    private function writeIgnoredErrors(XMLWriter $objWriter): void
+    {
+        $started = false;
+        $this->writeIgnoredError($objWriter, $started, 'numberStoredAsText', $this->numberStoredAsText);
+        $this->writeIgnoredError($objWriter, $started, 'formula', $this->formula);
+        $this->writeIgnoredError($objWriter, $started, 'twoDigitTextYear', $this->twoDigitTextYear);
+        $this->writeIgnoredError($objWriter, $started, 'evalError', $this->evalError);
+        if ($started) {
+            $objWriter->endElement();
+        }
+    }
+
     /**
      * Write SheetPr.
      */
@@ -1134,7 +1179,20 @@ private function writeSheetData(XMLWriter $objWriter, PhpspreadsheetWorksheet $w
                         array_pop($columnsInRow);
                         foreach ($columnsInRow as $column) {
                             // Write cell
-                            $this->writeCell($objWriter, $worksheet, "{$column}{$currentRow}", $aFlippedStringTable);
+                            $coord = "$column$currentRow";
+                            if ($worksheet->getCell($coord)->getIgnoredErrors()->getNumberStoredAsText()) {
+                                $this->numberStoredAsText .= " $coord";
+                            }
+                            if ($worksheet->getCell($coord)->getIgnoredErrors()->getFormula()) {
+                                $this->formula .= " $coord";
+                            }
+                            if ($worksheet->getCell($coord)->getIgnoredErrors()->getTwoDigitTextYear()) {
+                                $this->twoDigitTextYear .= " $coord";
+                            }
+                            if ($worksheet->getCell($coord)->getIgnoredErrors()->getEvalError()) {
+                                $this->evalError .= " $coord";
+                            }
+                            $this->writeCell($objWriter, $worksheet, $coord, $aFlippedStringTable);
                         }
                     }
 
diff --git a/tests/PhpSpreadsheetTests/Reader/Xlsx/IgnoredErrorTest.php b/tests/PhpSpreadsheetTests/Reader/Xlsx/IgnoredErrorTest.php
new file mode 100644
index 0000000000..bb476d6d69
--- /dev/null
+++ b/tests/PhpSpreadsheetTests/Reader/Xlsx/IgnoredErrorTest.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheetTests\Reader\Xlsx;
+
+use PhpOffice\PhpSpreadsheet\Cell\DataType;
+use PhpOffice\PhpSpreadsheet\Reader\Xlsx;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheetTests\Functional\AbstractFunctional;
+
+class IgnoredErrorTest extends AbstractFunctional
+{
+    private const FILENAME = 'tests/data/Reader/XLSX/ignoreerror.xlsx';
+
+    public function testIgnoredError(): void
+    {
+        $reader = new Xlsx();
+        $originalSpreadsheet = $reader->load(self::FILENAME);
+        $spreadsheet = $this->writeAndReload($originalSpreadsheet, 'Xlsx');
+        $originalSpreadsheet->disconnectWorksheets();
+        $sheet = $spreadsheet->getActiveSheet();
+        self::assertFalse($sheet->getCell('A1')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertTrue($sheet->getCell('A2')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertFalse($sheet->getCell('A3')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertTrue($sheet->getCell('A4')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertFalse($sheet->getCell('H2')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertTrue($sheet->getCell('H3')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertFalse($sheet->getCell('I2')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertTrue($sheet->getCell('I3')->getIgnoredErrors()->getNumberStoredAsText());
+
+        self::assertFalse($sheet->getCell('H3')->getIgnoredErrors()->getFormula());
+        self::assertFalse($sheet->getCell('D2')->getIgnoredErrors()->getFormula());
+        self::assertTrue($sheet->getCell('D3')->getIgnoredErrors()->getFormula());
+
+        self::assertFalse($sheet->getCell('A11')->getIgnoredErrors()->getTwoDigitTextYear());
+        self::assertTrue($sheet->getCell('A12')->getIgnoredErrors()->getTwoDigitTextYear());
+
+        self::assertFalse($sheet->getCell('C12')->getIgnoredErrors()->getEvalError());
+        self::assertTrue($sheet->getCell('C11')->getIgnoredErrors()->getEvalError());
+
+        $sheetLast = $spreadsheet->getSheetByNameOrThrow('Last');
+        self::assertFalse($sheetLast->getCell('D2')->getIgnoredErrors()->getFormula());
+        self::assertFalse($sheetLast->getCell('D3')->getIgnoredErrors()->getFormula(), 'prior sheet ignoredErrors shouldn\'t bleed');
+        self::assertFalse($sheetLast->getCell('A1')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertFalse($sheetLast->getCell('A2')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertTrue($sheetLast->getCell('A3')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertFalse($sheetLast->getCell('A4')->getIgnoredErrors()->getNumberStoredAsText(), 'prior sheet numberStoredAsText shouldn\'t bleed');
+
+        $spreadsheet->disconnectWorksheets();
+    }
+
+    public function testSetIgnoredError(): void
+    {
+        $originalSpreadsheet = new Spreadsheet();
+        $originalSheet = $originalSpreadsheet->getActiveSheet();
+        $originalSheet->getCell('A1')->setValueExplicit('0', DataType::TYPE_STRING);
+        $originalSheet->getCell('A2')->setValueExplicit('1', DataType::TYPE_STRING);
+        $originalSheet->getStyle('A1:A2')->setQuotePrefix(true);
+        $originalSheet->getCell('A2')->getIgnoredErrors()->setNumberStoredAsText(true);
+        $spreadsheet = $this->writeAndReload($originalSpreadsheet, 'Xlsx');
+        $originalSpreadsheet->disconnectWorksheets();
+        $sheet = $spreadsheet->getActiveSheet();
+        self::assertSame('0', $sheet->getCell('A1')->getValue());
+        self::assertSame('1', $sheet->getCell('A2')->getValue());
+        self::assertFalse($sheet->getCell('A1')->getIgnoredErrors()->getNumberStoredAsText());
+        self::assertTrue($sheet->getCell('A2')->getIgnoredErrors()->getNumberStoredAsText());
+        $spreadsheet->disconnectWorksheets();
+    }
+}
diff --git a/tests/data/Reader/XLSX/ignoreerror.xlsx b/tests/data/Reader/XLSX/ignoreerror.xlsx
new file mode 100644
index 0000000000..2034bfc932
Binary files /dev/null and b/tests/data/Reader/XLSX/ignoreerror.xlsx differ