Microsoft Outlook: Extend Sensitivity Label to Meetings (preview)

Sensitivity labeling will soon be available for meetings in Outlook for preview.

This message is associated with Microsoft 365 Roadmap ID 98924

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Outlook: S/MIME sensitivity label support natively on Outlook for Windows

Outlook for Windows will support S/MIME (Secure/Multipurpose Internet Mail Extensions) sign and encryption as sensitivity label outcome. If admins define the label to have S/MIME sign, encryption, or both and emails with those labels will enforce S/MIME accordingly.

This message is associated with Microsoft 365 Roadmap ID 100062

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Microsoft Defender for Office 365: Migration of quarantine notification frequencies

This communication is an extension of the previous communication in MC383901

We are updating the frequency interval available for user quarantine notification.

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AntiMalware Default Policy: Common Attachment Filter Settings Updates

We are making some changes to the common attachment filter settings for the Default policy (only) in the Anti-malware policy. The earlier default selection value of the ‘Quarantine the message‘ is now changed to ‘Reject the message with NDR’. 

When this will happen:

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Basic Authentication Deprecation in Exchange Online – Autodiscover Protocol

In the coming weeks, we’re going to turn off Basic authentication for the Autodiscover protocol in Exchange Online.

Timeline and Scope

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Offboarding to on-premises from auto expanding archives is not supported

This message is related to moving (offboarding) users who have auto expanding archive enabled from exchange online to on-premises servers.

When this will happen:

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Exchange Online Protection: Bulk Filter (BCL) Improvements

Exchange Online Protection (EOP) assigns a bulk complaint level (BCL) to inbound messages from bulk mailers. A higher BCL indicates a bulk message is less likely to be wanted by the user.

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Outlook for the web – End user Reporting integrated with Microsoft Defender for Office 365 (Exchange Online Protection)

New built-in report buttons will be added to Outlook on the web (OWA) starting the end of November 2022. Admins can control the appearance and behavior of these buttons that allow users to report emails as phishing/ junk / not junk from the User Reported setting page in the Microsoft 365 Defender portal (security.microsoft.com). Admins can also customize where messages get reported to (custom mailbox, Microsoft, or both) and what the user sees when they report a message from these buttons. 

Information to keep in mind:

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Retirement of Distribution List(DL) to Unified Group(UG) in EAC and PowerShell

We will be retiring the ability to convert a Distribution List (DL) to a Unified Group (UG) from Exchange Admin center (EAC) and PowerShell.

When this will happen:

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Microsoft Defender for Office 365 to stop honoring ReportJunkEmailEnabled in OwaMailboxPolicy

Microsoft Defender for Office 365 (Exchange Online Protection) will stop honoring ReportJunkEmailEnabled property in OwaMailboxPolicy. Instead, we recommend the utilization of User reported settings page in Microsoft Defender portal, which is where we will continue to invest our development resources.

When this will happen:

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I've been working with Microsoft Technologies over the last ten years, mainly focused on creating collaboration and productivity solutions that drive the adoption of Microsoft Modern Workplace.