Create file app/code/Tarun/StackOverflow/etc/module.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
<module name="Tarun_StackOverflow" >
<sequence>
<module name="Magento_Sales"/>
</sequence>
</module>
</config>
Create file app/code/Tarun/StackOverflow/registration.php
<?php
use Magento\Framework\Component\ComponentRegistrar;
ComponentRegistrar::register(ComponentRegistrar::MODULE, 'Tarun_StackOverflow', __DIR__);
Create file app/code/Tarun/StackOverflow/view/adminhtml/layout/sales_order_view.xml
<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="admin-2columns-left" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceContainer name="left">
<referenceBlock name="column_name" template="Tarun_StackOverflow::items/column/name.phtml" />
</referenceContainer>
</body>
</page>
Create file app/code/Tarun/StackOverflow/view/adminhtml/templates/items/column/name.phtml
<?php
/**
* @var $block \Magento\Sales\Block\Adminhtml\Items\Column\Name
* @var \Magento\Framework\View\Helper\SecureHtmlRenderer $secureRenderer
*/
?>
<?php
/** @var \Magento\Catalog\Helper\Data $catalogHelper */
$catalogHelper = $block->getData('catalogHelper');
?>
<?php if ($_item = $block->getItem()): ?>
<div id="order_item_<?= (int) $_item->getId() ?>_title"
class="product-title">
<?= $block->escapeHtml($_item->getName()) ?>
</div>
<div class="product-sku-block">
<span><?= $block->escapeHtml(__('SKU'))?>:</span>
<a target="_blank" href="<?= $_item->getProduct()->getProductUrl(); ?>"> <?= /* @noEscape */ implode('<br />', $catalogHelper->splitSku($block->escapeHtml($block->getSku()))) ?></a>
</div>
<?php if ($block->getOrderOptions()): ?>
<dl class="item-options">
<?php foreach ($block->getOrderOptions() as $_option): ?>
<dt><?= $block->escapeHtml($_option['label']) ?>:</dt>
<dd>
<?php if (isset($_option['custom_view']) && $_option['custom_view']): ?>
<?= /* @noEscape */ $block->getCustomizedOptionValue($_option) ?>
<?php else: ?>
<?php $_option = $block->getFormattedOption($_option['value']); ?>
<?php $dots = 'dots' . uniqid(); ?>
<?php $id = 'id' . uniqid(); ?>
<?= $block->escapeHtml($_option['value'], ['a', 'br']) ?>
<?php if (isset($_option['remainder']) && $_option['remainder']): ?>
<span id="<?= /* @noEscape */ $dots; ?>"> ...</span>
<span id="<?= /* @noEscape */ $id; ?>">
<?= $block->escapeHtml($_option['remainder'], ['a']) ?>
</span>
<?php $scriptString = <<<script
require(['prototype'], function() {
script;
$scriptString .= "$('" . /* @noEscape */ $id . "').hide();" . PHP_EOL;
$scriptString .= "$('" . /* @noEscape */ $id .
"').up().observe('mouseover', function(){ $('" . /* @noEscape */ $id . "').show();});" .
PHP_EOL;
$scriptString .= "$('" . /* @noEscape */ $id .
"').up().observe('mouseover', function(){ $('" . /* @noEscape */ $dots .
"').hide();});" . PHP_EOL;
$scriptString .= "$('" . /* @noEscape */ $id .
"').up().observe('mouseout', function(){ $('" . /* @noEscape */ $id .
"').hide();});" . PHP_EOL;
$scriptString .= "$('" . /* @noEscape */ $id .
"').up().observe('mouseout', function(){ $('" . /* @noEscape */ $dots .
"').show();});" . PHP_EOL . "});" . PHP_EOL;
?>
<?= /* @noEscape */ $secureRenderer->renderTag('script', [], $scriptString, false) ?>
<?php endif; ?>
<?php endif; ?>
</dd>
<?php endforeach; ?>
</dl>
<?php endif; ?>
<?= $block->escapeHtml($_item->getDescription()) ?>
<?php endif; ?>
Result
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