diff --git a/projects/adf-office-services-ext/src/lib/utils.ts b/projects/adf-office-services-ext/src/lib/utils.ts
index a5c6fe4af..fdd826d90 100644
--- a/projects/adf-office-services-ext/src/lib/utils.ts
+++ b/projects/adf-office-services-ext/src/lib/utils.ts
@@ -31,6 +31,7 @@ export const supportedExtensions = {
   dot: 'ms-word',
   dotx: 'ms-word',
   dotm: 'ms-word',
+  rtf: 'ms-word',
   xls: 'ms-excel',
   xlsx: 'ms-excel',
   xlsb: 'ms-excel',