Once the block is in place, you'll no longer be able to use injection-based plugins in production versions of Outlook for Mac as well as Insider Fast & Slow releases. We will deploy this change in May 2021 release of Outlook for Mac. Who is affected by this change?Īnyone using injection-based plugins in Outlook for Mac for both Microsoft/Office 365 and Outlook 2019 desktop clients. For example, if you use Webex to create online meetings in Outlook for Mac, you'll no longer be able to do so with the injection-based native plugin. If Office activation fails, see What to try if you can't install or activate Office for Mac. If you need help activating Office, see Activate Office for Mac. The What's New window opens automatically when you launch Word. Click the Microsoft Word icon in the Launchpad. Click the Launchpad icon in the Dock to display all of your apps. Once this block is in place, you'll no longer be able to use these. Launch an Office for Mac app and start the activation process. In the past, you could download injection based native plugins in Outlook for Mac. To continue using services like Zoom and Webex, you'll need to migrate your users to the supported add-ins from the Microsoft Store.

With this change, Microsoft will also block all injection-based plugins in Outlook for Mac for both Microsoft 365 and Outlook 2019. With the release of MacOS Mojave and Catalina, Apple blocked most injection-based plugins from running due to security & stability concerns. Injection-based native plugins such as Webex, Zoom and Vera will be disabled.

In the May 2021 release of Outlook for Mac, only the add-ins from the Microsoft AppSource store will continue to work. Alongside the version included in the Office 365 subscription package, Microsoft says it will release another Office for Mac update in 2021, which will be a single purchase.

Office 365 mac update