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[Outlook] (attachments) Document attachment limitation for Outlook on the web and the new Outlook on Windows #5003

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[Outlook] (attachments) Document attachment limitation for Outlook on the web and the new Outlook on Windows #5003

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5 changes: 4 additions & 1 deletion docs/outlook/add-and-remove-attachments-to-an-item-in-a-compose-form.md
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---
title: Add and remove attachments in an Outlook add-in
description: Use various attachment APIs to manage the files or Outlook items attached to the item the user is composing.
ms.date: 11/19/2024
ms.date: 01/28/2025
ms.topic: how-to
ms.localizationpriority: medium
---
Expand Down Expand Up @@ -158,6 +158,9 @@ The following APIs to get attachments in compose mode are available from [requir

Use the [getAttachmentsAsync](/javascript/api/requirement-sets/outlook/preview-requirement-set/office.context.mailbox.item#methods) method to get the attachments of the message or appointment being composed.

> [!NOTE]
> In Outlook on the web and the new Outlook on Windows, users can select the **Upload and share** option to upload an attachment to OneDrive and include a link to the file in the mail item. However, since only a link is included, `getAttachmentsAsync` doesn't return this attachment.

To get an attachment's content, use the [getAttachmentContentAsync](/javascript/api/requirement-sets/outlook/preview-requirement-set/office.context.mailbox.item#methods) method. The supported formats are listed in the [AttachmentContentFormat](/javascript/api/outlook/office.mailboxenums.attachmentcontentformat) enum.

You should provide a callback function to check for the status and any error by using the `AsyncResult` output parameter object. You can also pass any additional parameters to the callback function by using the optional `asyncContext` parameter.
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