diff --git a/config/version.php b/config/version.php
index 4d3fd730f99f..f427141ca5aa 100644
--- a/config/version.php
+++ b/config/version.php
@@ -1,7 +1,7 @@
 <?php
 
 return [
-	'appVersion' => '6.3.1',
+	'appVersion' => '6.3.2',
 	'patchVersion' => '2021.12.12',
 	'lib_roundcube' => '0.2.3',
 ];
diff --git a/layouts/basic/modules/OSSMailView/Detail/Widget/PreviewMail.tpl b/layouts/basic/modules/OSSMailView/Detail/Widget/PreviewMail.tpl
new file mode 100644
index 000000000000..71ca05d5c2b6
--- /dev/null
+++ b/layouts/basic/modules/OSSMailView/Detail/Widget/PreviewMail.tpl
@@ -0,0 +1,38 @@
+{*<!-- {[The file is published on the basis of YetiForce Public License 4.0 that can be found in the following directory: licenses/LicenseEN.txt or yetiforce.com]} -->*}
+{strip}
+	<!-- tpl-OSSMailView-Detail-Widget-PreviewMail -->
+	{assign var=WIDGET_UID value="id-{\App\Layout::getUniqueId($WIDGET['id']|cat:_)}"}
+	<div class="c-detail-widget js-detail-widget" data-name="{$WIDGET['label']}" data-module-name=""
+		data-type="{$WIDGET['type']}" data-id="{$WIDGET['id']}" data-js="container">
+		<div class="widgetContainer_{$key} widgetContentBlock" data-url="{\App\Purifier::encodeHtml($WIDGET['url'])}"
+			data-name="{$WIDGET['label']}" data-type="{$WIDGET['type']}" data-id="{$WIDGET['id']}">
+			<div class="c-detail-widget__header js-detail-widget-header collapsed border-bottom-0"
+				data-js="container|value">
+				<input type="hidden" name="relatedModule" value="" />
+				<div class="c-detail-widget__header__container d-flex align-items-center py-1">
+					<div class="c-detail-widget__toggle collapsed" id="{$WIDGET_UID}" data-toggle="collapse"
+						data-target="#{$WIDGET_UID}-collapse" aria-expanded="false" aria-controls="{$WIDGET_UID}-collapse">
+						<span class="u-transform_rotate-180deg mdi mdi-chevron-down" alt="{\App\Language::translate('LBL_EXPAND_BLOCK')}"></span>
+					</div>
+					<div class="c-detail-widget__header__title">
+						<h5 class="mb-0 text-truncate">
+							{\App\Language::translate($WIDGET['label'],$MODULE_NAME)}
+						</h5>
+					</div>
+					<div class="row inline justify-center js-hb__container ml-auto">
+						<button type="button" tabindex="0" class="btn js-hb__btn u-hidden-block-btn text-grey-6 py-0 px-1">
+							<div class="text-center col items-center justify-center row">
+								<i aria-hidden="true" class="mdi mdi-wrench q-icon"></i>
+							</div>
+						</button>
+					</div>
+				</div>
+			</div>
+			<div class="c-detail-widget__content js-detail-widget-collapse collapse multi-collapse pt-0"
+				id="{$WIDGET_UID}-collapse" data-storage-key="{$WIDGET_UID}" aria-labelledby="{$WIDGET_UID}">
+				<div class="js-detail-widget-content" data-js="container|value"></div>
+			</div>
+		</div>
+	</div>
+	<!-- /tpl-OSSMailView-Detail-Widget-PreviewMail -->
+{/strip}
diff --git a/layouts/basic/modules/Vtiger/Detail/Widget/PreviewMailConfig.tpl b/layouts/basic/modules/Vtiger/Detail/Widget/PreviewMailConfig.tpl
index 479191263cba..6be3308cce71 100644
--- a/layouts/basic/modules/Vtiger/Detail/Widget/PreviewMailConfig.tpl
+++ b/layouts/basic/modules/Vtiger/Detail/Widget/PreviewMailConfig.tpl
@@ -14,15 +14,26 @@
 					</div>
 					<div class="modal-body">
 						<div class="modal-Fields">
-							<div class="row">
-								<div class="col-md-5 marginLeftZero"><strong>{\App\Language::translate('Type widget', $QUALIFIED_MODULE)}</strong>:</div>
-								<div class="col-md-7">
-									{\App\Language::translate($TYPE, $QUALIFIED_MODULE)}
+							<div class="form-container-sm">
+								<div class="form-group form-group-sm row mb-1">
+									<label class="col-md-4 col-form-label">
+										<strong>{\App\Language::translate('Type widget', $QUALIFIED_MODULE)}</strong>:
+									</label>
+									<div class="col-md-7 py-1">
+										{\App\Language::translate($TYPE, $QUALIFIED_MODULE)}
+									</div>
+								</div>
+								<div class="form-group form-group-sm row">
+									<label class="col-md-4 col-form-label">
+										<strong>{\App\Language::translate('Label', $QUALIFIED_MODULE)}</strong>:
+									</label>
+									<div class="col-md-7 py-1">
+										<input name="label" class="form-control form-control-sm" type="text" value="{$WIDGETINFO['label']}" />
+									</div>
 								</div>
 							</div>
 						</div>
-					</div>
-					{include file=\App\Layout::getTemplatePath('Modals/Footer.tpl', $QUALIFIED_MODULE) BTN_SUCCESS='LBL_SAVE' BTN_DANGER='LBL_CANCEL'}
+						{include file=\App\Layout::getTemplatePath('Modals/Footer.tpl', $QUALIFIED_MODULE) BTN_SUCCESS='LBL_SAVE' BTN_DANGER='LBL_CANCEL'}
 				</form>
 			</div>
 		</div>
diff --git a/modules/Vtiger/widgets/PreviewMail.php b/modules/Vtiger/widgets/PreviewMail.php
index 8bb1dfe54f47..3f60a29bb2c1 100644
--- a/modules/Vtiger/widgets/PreviewMail.php
+++ b/modules/Vtiger/widgets/PreviewMail.php
@@ -10,21 +10,30 @@
  */
 class Vtiger_PreviewMail_Widget extends Vtiger_Basic_Widget
 {
+	/** {@inheritdoc} */
 	public $allowedModules = ['OSSMailView'];
 	public $dbParams = [];
 
+	/**
+	 * Get URL.
+	 *
+	 * @return string
+	 */
 	public function getUrl()
 	{
 		return 'module=' . $this->Module . '&view=Sview&noloadlibs=true&record=' . $this->Record;
 	}
 
+	/** {@inheritdoc} */
 	public function getWidget()
 	{
 		$this->Config['url'] = $this->getUrl();
+		$this->Config['tpl'] = 'PreviewMail.tpl';
 
 		return $this->Config;
 	}
 
+	/** {@inheritdoc} */
 	public function getConfigTplName()
 	{
 		return 'PreviewMailConfig';