diff --git a/types/office-js/index.d.ts b/types/office-js/index.d.ts
index 51f6c8a3fc..98e296cfd9 100644
--- a/types/office-js/index.d.ts
+++ b/types/office-js/index.d.ts
@@ -8648,7 +8648,7 @@ declare namespace Office {
          * 
          * In addition to this signature, this method also has the following signature:
          * 
-         * `getAsync(coerciontype: Office.CoercionType, callback: (result: AsyncResult<Office.Body>) => void): void;`
+         * `getAsync(coerciontype: Office.CoercionType, callback: (result: AsyncResult<string>) => void): void;`
          * 
          * @param coercionType The format for the returned body.
          * @param options Optional. An object literal that contains one or more of the following properties:
@@ -8656,7 +8656,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the callback parameter is called with a single parameter of type AsyncResult. 
          *                  The body is provided in the requested format in the asyncResult.value property.
          */
-        getAsync(coerciontype: Office.CoercionType, options?: Office.AsyncContextOptions, callback?: (result: AsyncResult<Office.Body>) => void): void;
+        getAsync(coerciontype: Office.CoercionType, options?: Office.AsyncContextOptions, callback?: (result: AsyncResult<string>) => void): void;
         /**
          * Returns the current body in a specified format.
          *
@@ -8677,7 +8677,7 @@ declare namespace Office {
          * @param callback Optional. When the method completes, the function passed in the callback parameter is called with a single parameter of type Office.AsyncResult.
          *                  The body is provided in the requested format in the asyncResult.value property.
          */
-        getAsync(coerciontype: Office.CoercionType, callback: (result: AsyncResult<Office.Body>) => void): void;
+        getAsync(coerciontype: Office.CoercionType, callback: (result: AsyncResult<string>) => void): void;
 
         /**
          * Gets a value that indicates whether the content is in HTML or text format.
@@ -10403,13 +10403,13 @@ declare namespace Office {
          * 
          * `saveAsync(options: Office.AsyncContextOptions): void;`
          * 
-         * `saveAsync(callback: (result: AsyncResult<void>) => void): void;`
+         * `saveAsync(callback: (result: AsyncResult<string>) => void): void;`
          *
          * @param options Optional. An object literal that contains one or more of the following properties.
          *        asyncContext: Developers can provide any object they wish to access in the callback method.
          * @param callback Optional. When the method completes, the function passed in the callback parameter is called with a single parameter of type Office.AsyncResult. 
          */
-        saveAsync(options?: Office.AsyncContextOptions, callback?: (result: AsyncResult<void>) => void): void;
+        saveAsync(options?: Office.AsyncContextOptions, callback?: (result: AsyncResult<string>) => void): void;
         /**
          * Asynchronously saves an item.
          *
@@ -10510,7 +10510,7 @@ declare namespace Office {
          *
          * @param callback Optional. When the method completes, the function passed in the callback parameter is called with a single parameter of type Office.AsyncResult.
          */
-        saveAsync(callback: (result: AsyncResult<void>) => void): void;
+        saveAsync(callback: (result: AsyncResult<string>) => void): void;
         /**
          * Asynchronously inserts data into the body or subject of a message.
          *