diff --git a/pkg/modules/libreoffice/uno/uno.go b/pkg/modules/libreoffice/uno/uno.go
index 16ddb427..6b7cf306 100644
--- a/pkg/modules/libreoffice/uno/uno.go
+++ b/pkg/modules/libreoffice/uno/uno.go
@@ -484,6 +484,9 @@ func (mod UNO) Extensions() []string {
 		".xls",
 		".xlt",
 		".xlsx",
+		".odg",
+		".dotx",
+		".xltx",
 	}
 }