diff --git a/configs/preview-providers.config.php b/configs/preview-providers.config.php
index c248145..b881f79 100644
--- a/configs/preview-providers.config.php
+++ b/configs/preview-providers.config.php
@@ -6,11 +6,14 @@
 		'OC\Preview\GIF',
 		'OC\Preview\HEIC',
 		'OC\Preview\Imaginary',
+		'OC\Preview\ImaginaryPDF',
 		'OC\Preview\JPEG',
 		'OC\Preview\Krita',
 		'OC\Preview\MarkDown',
 		'OC\Preview\Movie',
 		'OC\Preview\MP3',
+		'OC\Preview\MSOfficeDoc',
+		'OC\Preview\MSOffice2007',
 		'OC\Preview\OpenDocument',
 		'OC\Preview\PNG',
 		'OC\Preview\SVG',