But our user base is very limited and everybody uses the latest client.

Here is the full manifest (without urls and names), I am aware that it does not include a version for the older Outlook versions. In the web client a different problem occurs, the Addin can be loaded in the shared mailbox but the pinning does not work. If I freshly add the manifest.xml it can be used for one or two sessions. Interestingly it does also work for a while after a fresh installation. In the 'new' Outlook for mac it can only be opened one time, in the shared Mailbox. In the 'old' Outlook for Mac it does seem to work, but the user does not want to use it.Īt first i thought maybe it has something to do with the WebApplicationInfo and its authorization but it shows the same behavior without this part. When hovering over the Addin, this message appears: (Right after opening the personal mailbox) After that the Icon is greyed out and it cant be opened again (only when switching to the personal mailbox and back). When he is in the shared mailbox the Addin can be opened once. One of our users uses a mac and switched to 'new Outlook'. To the manifest, to make it work within a shared mailbox. , you may try again by following this third party article: Adding an Office 365 Shared Mailbox in Mail for MacOS - Wilkins IT Solutions If there is any error message, you can share it with me. In Outlook on the web the pinning feature can not be used in the shared mailbox Since the Mail app is provided by the Apple not from the Office 365 side, there is no related official doc can refer to. In the 'new' Outlook for mac it can only be opened one time, in the shared Mailbox. I developed a small Outlook plugin that is supposed to be used in a shared mailbox.

Add shared mailbox to mac mail