Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The Outlook add-in API subset of the Office JavaScript API includes objects, methods, properties, and events that you can use in an Outlook add-in.
Note
This documentation is for a requirement set other than the latest requirement set.
What's new in 1.9
Mailbox requirement set 1.9 includes all of the features of requirement set 1.8. It added the following features.
- Added support to append content to a mail item on send.
- Added a method to get all custom properties of a mail item in a mailbox.
- Added methods to display a new message or appointment form.
- Added methods to display an existing message or appointment.
- Added support for Dialog.messageChild to deliver a message from the host page, such as a task pane or a function command, to a dialog that was opened from the page.
API list
The following table lists the APIs introduced in Mailbox requirement set 1.9. To view API reference documentation for all APIs supported by Mailbox requirement set 1.9 or earlier, see Outlook APIs.
Manifest updates
The following table lists manifest updates introduced in Mailbox requirement set 1.9. To learn more about the types of Office Add-in manifests, see Office Add-ins manifest.
| Feature | Unified manifest for Microsoft 365 | Add-in only manifest | Description |
|---|---|---|---|
| Append-on-send | "authorization.permissions.resourceSpecific.name" set to "Mailbox.AppendOnSend.User" |
ExtendedPermissions element | Enables support for the append-on-send feature. |
See also
Office Add-ins