tool license and add-ins are the entry criteria to
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Answer:
Explanation:
Outlook add-ins are integrations built by third parties into Outlook by using our web-based platform. Outlook add-ins have three key aspects:
The same add-in and business logic works across desktop (Outlook on Windows and Mac), web (Microsoft 365 and Outlook.com), and mobile.
Outlook add-ins consist of a manifest, which describes how the add-in integrates into Outlook (for example, a button or a task pane), and JavaScript/HTML code, which makes up the UI and business logic of the add-in.
Outlook add-ins can be acquired from AppSource or sideloaded by end-users or administrators.
Outlook add-ins are different from COM or VSTO add-ins, which are older integrations specific to Outlook running on Windows. Unlike COM add-ins, Outlook add-ins don't have any code physically installed on the user's device or Outlook client. For an Outlook add-in, Outlook reads the manifest and hooks up the specified controls in the UI, and then loads the JavaScript and HTML. The web components all run in the context of a browser in a sandbox.
The Outlook items that support add-ins include email messages, meeting requests, responses and cancellations, and appointments. Each Outlook add-in defines the context in which it is available, including the types of items and if the user is reading or composing an item.