diff --git a/types/office-js-preview/index.d.ts b/types/office-js-preview/index.d.ts
index 60bb057b92..5c25c419d1 100644
--- a/types/office-js-preview/index.d.ts
+++ b/types/office-js-preview/index.d.ts
@@ -12270,7 +12270,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the `callback` parameter is called with a single parameter, 
          *                `asyncResult`, which is an `Office.AsyncResult` object. Check the `status` property of `asyncResult` to determine if the call succeeded.
          */
-        addAsync(locationIdentifiers: LocationIdentifier[], options?: Office.AsyncContextOptions, callback?: (asyncResult: Office.AsyncResultStatus) => void): void;
+        addAsync(locationIdentifiers: LocationIdentifier[], options?: Office.AsyncContextOptions, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
         /**
          * Adds to the set of locations associated with the appointment.
          * 
@@ -12290,7 +12290,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the `callback` parameter is called with a single parameter, 
          *                `asyncResult`, which is an `Office.AsyncResult` object. Check the `status` property of `asyncResult` to determine if the call succeeded.
          */
-        addAsync(locationIdentifiers: LocationIdentifier[], callback?: (asyncResult: Office.AsyncResultStatus) => void): void;
+        addAsync(locationIdentifiers: LocationIdentifier[], callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
         /**
          * Gets the set of locations associated with the appointment.
          * 
@@ -12342,7 +12342,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the `callback` parameter is called with a single parameter, 
          *                `asyncResult`, which is an `Office.AsyncResult` object. Check the `status` property of `asyncResult` to determine if the call succeeded.
          */
-        removeAsync(locationIdentifiers: LocationIdentifier[], options?: Office.AsyncContextOptions, callback?: (asyncResult: Office.AsyncResultStatus) => void): void;
+        removeAsync(locationIdentifiers: LocationIdentifier[], options?: Office.AsyncContextOptions, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
         /**
          * Removes the set of locations associated with the appointment.
          * 
@@ -12360,7 +12360,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the `callback` parameter is called with a single parameter, 
          *                `asyncResult`, which is an `Office.AsyncResult` object. Check the `status` property of `asyncResult` to determine if the call succeeded.
          */
-        removeAsync(locationIdentifiers: LocationIdentifier[], callback?: (asyncResult: Office.AsyncResultStatus) => void): void;
+        removeAsync(locationIdentifiers: LocationIdentifier[], callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
     }
     /**
      * Provides the current enhanced locations when the `Office.EventType.EnhancedLocationsChanged` event is raised.
diff --git a/types/office-js/index.d.ts b/types/office-js/index.d.ts
index c1b13b5c28..6b48c99366 100644
--- a/types/office-js/index.d.ts
+++ b/types/office-js/index.d.ts
@@ -11544,7 +11544,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the `callback` parameter is called with a single parameter, 
          *                `asyncResult`, which is an `Office.AsyncResult` object. Check the `status` property of `asyncResult` to determine if the call succeeded.
          */
-        addAsync(locationIdentifiers: LocationIdentifier[], options?: Office.AsyncContextOptions, callback?: (asyncResult: Office.AsyncResultStatus) => void): void;
+        addAsync(locationIdentifiers: LocationIdentifier[], options?: Office.AsyncContextOptions, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
         /**
          * Adds to the set of locations associated with the appointment.
          * 
@@ -11564,7 +11564,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the `callback` parameter is called with a single parameter, 
          *                `asyncResult`, which is an `Office.AsyncResult` object. Check the `status` property of `asyncResult` to determine if the call succeeded.
          */
-        addAsync(locationIdentifiers: LocationIdentifier[], callback?: (asyncResult: Office.AsyncResultStatus) => void): void;
+        addAsync(locationIdentifiers: LocationIdentifier[], callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
         /**
          * Gets the set of locations associated with the appointment.
          * 
@@ -11616,7 +11616,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the `callback` parameter is called with a single parameter, 
          *                `asyncResult`, which is an `Office.AsyncResult` object. Check the `status` property of `asyncResult` to determine if the call succeeded.
          */
-        removeAsync(locationIdentifiers: LocationIdentifier[], options?: Office.AsyncContextOptions, callback?: (asyncResult: Office.AsyncResultStatus) => void): void;
+        removeAsync(locationIdentifiers: LocationIdentifier[], options?: Office.AsyncContextOptions, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
         /**
          * Removes the set of locations associated with the appointment.
          * 
@@ -11634,7 +11634,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the `callback` parameter is called with a single parameter, 
          *                `asyncResult`, which is an `Office.AsyncResult` object. Check the `status` property of `asyncResult` to determine if the call succeeded.
          */
-        removeAsync(locationIdentifiers: LocationIdentifier[], callback?: (asyncResult: Office.AsyncResultStatus) => void): void;
+        removeAsync(locationIdentifiers: LocationIdentifier[], callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
     }
     /**
      * Provides the current enhanced locations when the `Office.EventType.EnhancedLocationsChanged` event is raised.