diff --git a/projects/adf-office-services-ext/package.json b/projects/adf-office-services-ext/package.json
index 397ccbc9c9..3270785f35 100644
--- a/projects/adf-office-services-ext/package.json
+++ b/projects/adf-office-services-ext/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@alfresco/adf-office-services-ext",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "license": "Apache-2.0",
   "author": {
     "name": "Keensoft",
diff --git a/projects/adf-office-services-ext/src/lib/evaluators.ts b/projects/adf-office-services-ext/src/lib/evaluators.ts
index 7b39cd5680..e63abdc742 100644
--- a/projects/adf-office-services-ext/src/lib/evaluators.ts
+++ b/projects/adf-office-services-ext/src/lib/evaluators.ts
@@ -1,10 +1,17 @@
 import { RuleContext, RuleParameter } from '@alfresco/adf-extensions';
+import { AuthenticationService } from '@alfresco/adf-core';
 import { getFileExtension, supportedExtensions } from './utils';
 
 export function canOpenWithOffice(
   context: RuleContext,
   ...args: RuleParameter[]
 ): boolean {
+  // todo: needs to have typed access via SDK (1.8)
+  const auth: AuthenticationService = (<any>context).auth;
+  if (auth && auth.isOauth()) {
+    return false;
+  }
+
   const file = context.selection.file;
 
   if (!file || !file.entry || !file.entry.properties) {
diff --git a/src/app/extensions/app.interface.ts b/src/app/extensions/app.interface.ts
index 8570fb9851..dfae10563d 100644
--- a/src/app/extensions/app.interface.ts
+++ b/src/app/extensions/app.interface.ts
@@ -24,7 +24,9 @@
  */
 
 import { RuleContext, RepositoryState } from '@alfresco/adf-extensions';
+import { AuthenticationService } from '@alfresco/adf-core';
 
 export interface AppRuleContext extends RuleContext {
   repository: RepositoryState;
+  auth: AuthenticationService;
 }
diff --git a/src/app/extensions/extension.service.ts b/src/app/extensions/extension.service.ts
index d36ed03476..cbd2636608 100644
--- a/src/app/extensions/extension.service.ts
+++ b/src/app/extensions/extension.service.ts
@@ -35,7 +35,6 @@ import {
   SelectionState,
   NavigationState,
   ExtensionConfig,
-  RuleContext,
   RuleEvaluator,
   ViewerExtensionRef,
   ContentActionRef,
@@ -52,15 +51,16 @@ import {
   RepositoryState,
   ExtensionRef
 } from '@alfresco/adf-extensions';
-import { AppConfigService } from '@alfresco/adf-core';
+import { AppConfigService, AuthenticationService } from '@alfresco/adf-core';
 import { DocumentListPresetRef } from './document-list.extensions';
 import { BehaviorSubject, Observable } from 'rxjs';
 import { IconRef } from './icon.extensions';
+import { AppRuleContext } from './app.interface';
 
 @Injectable({
   providedIn: 'root'
 })
-export class AppExtensionService implements RuleContext {
+export class AppExtensionService implements AppRuleContext {
   private _references = new BehaviorSubject<ExtensionRef[]>([]);
 
   defaults = {
@@ -108,6 +108,7 @@ export class AppExtensionService implements RuleContext {
   references$: Observable<ExtensionRef[]>;
 
   constructor(
+    public auth: AuthenticationService,
     protected store: Store<AppStore>,
     protected loader: ExtensionLoaderService,
     protected extensions: ExtensionService,