diff --git a/projects/adf-office-services-ext/src/lib/utils.ts b/projects/adf-office-services-ext/src/lib/utils.ts
index 5f5837777..c359e6efb 100644
--- a/projects/adf-office-services-ext/src/lib/utils.ts
+++ b/projects/adf-office-services-ext/src/lib/utils.ts
@@ -49,7 +49,16 @@ export const supportedExtensions = {
   ppam: 'ms-powerpoint',
   ppsm: 'ms-powerpoint',
   sldx: 'ms-powerpoint',
-  sldm: 'ms-powerpoint'
+  sldm: 'ms-powerpoint',
+  vsd: 'ms-visio',
+  vss: 'ms-visio',
+  vst: 'ms-visio',
+  vsdx: 'ms-visio',
+  vsdm: 'ms-visio',
+  vssx: 'ms-visio',
+  vssm: 'ms-visio',
+  vstx: 'ms-visio',
+  vstm: 'ms-visio'
 };
 /* cspell:enable */