Don’t use leaked unreleased versions of Outlook for Windows 11

It’s no secret anymore, so we might as well talk about it. A few days ago, the successor to Windows 11's Outlook app leaked online, and many people got wind of it.

An Outlook, as that is the actual name of the application, is also called Project Monarch.

It was planned to be released last year, but Microsoft had to delay the release for unknown reasons, leaving a lot to look forward to.

Now that this beta version has been leaked, everyone is very curious and want to get it as soon as possible.

However, Microsoft is not happy with this and is trying to prevent users from downloading and using One Outlook.

Microsoft is trying to prevent the spread of the beta

We can’t be sure what users can expect from this new version of the app, but we can say it’s good for everyone It's not good news at all.

Many people are actually disappointed that this new version of Outlook for Windows 11 is nothing more than a PWA.

But now that it exists, there is virtually nothing that can be done to stop the app from spreading. And, in an old-fashioned way, Microsoft started warning about the lack of additional tools.

Redmond Technologies says this version of One Outlook is an incomplete version and will be improved before official release.

No, Microsoft doesn't say there are any consequences to using it, just a warning that it's not safe or practical to do so.

We are aware that some users have access to unsupported early beta versions of the new Outlook for Windows. This release is missing some features and enhancements that will be made available to our customers later in the beta channel. We encourage our customers to wait for the beta release.

If you are an administrator and you want to prevent your users from connecting Microsoft 365 accounts associated with your organization to this new app, instructions are provided.

How can I stop this from happening?

1. Run the PowerShell application as administrator

   2. Enter: Connect-ExchangeOnline -UserPrincipalName

   3. Enter: set-CASMailbox – OneWinNativeOutlookEnabled if enable or if disable

You can use PowerShell to do this, and when the official beta is available, you will restore these settings using the same instructions provided in the message.

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