diff --git a/types/office-js-preview/index.d.ts b/types/office-js-preview/index.d.ts
index f33ef83bba..0791ddb5ce 100644
--- a/types/office-js-preview/index.d.ts
+++ b/types/office-js-preview/index.d.ts
@@ -1272,7 +1272,8 @@ declare namespace Office {
      */
     interface AsyncContextOptions {
         /**
-         * A user-defined item of any type that is returned, unchanged, in the asyncContext property of the AsyncResult object that is passed to a callback.
+         * A user-defined item of any type that is returned, unchanged, in the `asyncContext` property of the `AsyncResult` object
+         * that is passed to a callback.
          */
         asyncContext?: any
     }
@@ -10761,10 +10762,8 @@ declare namespace Office {
          *
          * @param formData - A string that contains text and HTML and that represents the body of the reply form. The string is limited to 32 KB
          *                   OR a {@link Office.ReplyFormData | ReplyFormData} object that contains body or attachment data and a callback function.
-         * @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.
          */
-        displayReplyAllForm(formData: string | ReplyFormData, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
+        displayReplyAllForm(formData: string | ReplyFormData): void;
         /**
          * Displays a reply form that includes only the sender of the selected message or the organizer of the selected appointment.
          *
@@ -10786,10 +10785,8 @@ declare namespace Office {
          *
          * @param formData - A string that contains text and HTML and that represents the body of the reply form. The string is limited to 32 KB
          *                   OR a {@link Office.ReplyFormData | ReplyFormData} object that contains body or attachment data and a callback function.
-         * @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.
          */
-        displayReplyForm(formData: string | ReplyFormData, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
+        displayReplyForm(formData: string | ReplyFormData): void;
         /**
          * Gets an attachment from a message or appointment and returns it as an `AttachmentContent` object.
          * 
@@ -15082,10 +15079,8 @@ declare namespace Office {
          *
          * @param formData - A string that contains text and HTML and that represents the body of the reply form. The string is limited to 32 KB
          *                   OR a {@link Office.ReplyFormData | ReplyFormData} object that contains body or attachment data and a callback function.
-         * @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.
          */
-        displayReplyAllForm(formData: string | ReplyFormData, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
+        displayReplyAllForm(formData: string | ReplyFormData): void;
         /**
          * Displays a reply form that includes only the sender of the selected message or the organizer of the selected appointment.
          *
@@ -15107,10 +15102,8 @@ declare namespace Office {
          *
          * @param formData - A string that contains text and HTML and that represents the body of the reply form. The string is limited to 32 KB
          *                   OR a {@link Office.ReplyFormData | ReplyFormData} object that contains body or attachment data and a callback function.
-         * @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.
          */
-        displayReplyForm(formData: string | ReplyFormData, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
+        displayReplyForm(formData: string | ReplyFormData): void;
         /**
          * Gets all the internet headers for the message as a string.
          * 
@@ -16405,9 +16398,14 @@ declare namespace Office {
         attachments?: ReplyFormAttachment[];
         /**
          * When the reply display call completes, the function passed in the callback parameter is called with a single parameter, 
-         * asyncResult, which is an Office.AsyncResult object.
+         * `asyncResult`, which is an `Office.AsyncResult` object.
          */
         callback?: (asyncResult: Office.AsyncResult<any>) => void;
+        /**
+         * An object literal that contains the following property.
+         * `asyncContext`: Developers can provide any object they wish to access in the callback method.
+         */
+        options?: Office.AsyncContextOptions;
     }
     /**
      * The settings created by using the methods of the `RoamingSettings` object are saved per add-in and per user. 
diff --git a/types/office-js/index.d.ts b/types/office-js/index.d.ts
index d2eeae452f..4808e476d6 100644
--- a/types/office-js/index.d.ts
+++ b/types/office-js/index.d.ts
@@ -1035,7 +1035,8 @@ declare namespace Office {
      */
     interface AsyncContextOptions {
         /**
-         * A user-defined item of any type that is returned, unchanged, in the asyncContext property of the AsyncResult object that is passed to a callback.
+         * A user-defined item of any type that is returned, unchanged, in the `asyncContext` property of the `AsyncResult` object
+         * that is passed to a callback.
          */
         asyncContext?: any
     }
@@ -10341,10 +10342,8 @@ declare namespace Office {
          *
          * @param formData - A string that contains text and HTML and that represents the body of the reply form. The string is limited to 32 KB
          *                   OR a {@link Office.ReplyFormData | ReplyFormData} object that contains body or attachment data and a callback function.
-         * @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.
          */
-        displayReplyAllForm(formData: string | ReplyFormData, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
+        displayReplyAllForm(formData: string | ReplyFormData): void;
         /**
          * Displays a reply form that includes only the sender of the selected message or the organizer of the selected appointment.
          *
@@ -10366,10 +10365,8 @@ declare namespace Office {
          *
          * @param formData - A string that contains text and HTML and that represents the body of the reply form. The string is limited to 32 KB
          *                   OR a {@link Office.ReplyFormData | ReplyFormData} object that contains body or attachment data and a callback function.
-         * @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.
          */
-        displayReplyForm(formData: string | ReplyFormData, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
+        displayReplyForm(formData: string | ReplyFormData): void;
         /**
          * Gets an attachment from a message or appointment and returns it as an `AttachmentContent` object.
          * 
@@ -14327,10 +14324,8 @@ declare namespace Office {
          *
          * @param formData - A string that contains text and HTML and that represents the body of the reply form. The string is limited to 32 KB
          *                   OR a {@link Office.ReplyFormData | ReplyFormData} object that contains body or attachment data and a callback function.
-         * @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.
          */
-        displayReplyAllForm(formData: string | ReplyFormData, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
+        displayReplyAllForm(formData: string | ReplyFormData): void;
         /**
          * Displays a reply form that includes only the sender of the selected message or the organizer of the selected appointment.
          *
@@ -14352,10 +14347,8 @@ declare namespace Office {
          *
          * @param formData - A string that contains text and HTML and that represents the body of the reply form. The string is limited to 32 KB
          *                   OR a {@link Office.ReplyFormData | ReplyFormData} object that contains body or attachment data and a callback function.
-         * @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.
          */
-        displayReplyForm(formData: string | ReplyFormData, callback?: (asyncResult: Office.AsyncResult<void>) => void): void;
+        displayReplyForm(formData: string | ReplyFormData): void;
         /**
          * Gets all the internet headers for the message as a string.
          * 
@@ -15579,9 +15572,14 @@ declare namespace Office {
         attachments?: ReplyFormAttachment[];
         /**
          * When the reply display call completes, the function passed in the callback parameter is called with a single parameter, 
-         * asyncResult, which is an Office.AsyncResult object.
+         * `asyncResult`, which is an `Office.AsyncResult` object.
          */
         callback?: (asyncResult: Office.AsyncResult<any>) => void;
+        /**
+         * An object literal that contains the following property.
+         * `asyncContext`: Developers can provide any object they wish to access in the callback method.
+         */
+        options?: Office.AsyncContextOptions;
     }
     /**
      * The settings created by using the methods of the `RoamingSettings` object are saved per add-in and per user.