M365 Changelog: Microsoft Defender for Office 365: Adding last used dates to Tenant Allow/Block Lists
Summary
Microsoft Defender for Office 365 will soon add a 'last used date' to Tenant Allow/Block List entries, aiding in managing the necessity of URLs, files, domains, and email addresses. The feature will start rolling out in mid-April 2024 and complete by late April 2024. No admin action is required for this update.
MC765804 – Coming soon: In Microsoft Defender for Office 365, Microsoft is adding a last used date to the Tenant Allow/Block List entries for URLs, files, domains, and email addresses.
This message is associated with Microsoft 365 Roadmap ID 183908.
When this will happen:
General Availability (Worldwide): Microsoft will begin rolling out mid-April 2024 and expect to complete by late April 2024.
How this will affect your organization:
The last used date provides valuable insights into the usage patterns of entries, enabling you to make informed decisions about their necessity. When the list reaches its capacity, this data can help you safely remove non-essential entries.
The last used date and timestamp will be updated in real time, for a forward-looking perspective to support data-driven decision-making. You can access the last used date with PowerShell cmdlets.
This rollout will not affect existing Tenant Allow/Block List entries.
What you need to do to prepare:
This rollout will happen automatically by the specified date with no admin action required before the rollout.
Previous Exchange Online Changelog Messages
- M365 Changelog: Manage Distribution Groups URL update in Microsoft Outlook on the web points to the new Microsoft Exchange Admin Center
- M365 Changelog: (Updated) Stream videos can now be watched inline in Outlook
- M365 Changelog: (Updated) Outlook: Track Read Receipts within Outlook on the Web and the New Outlook for Windows
- M365 Changelog: Microsoft Exchange Online: Release of View Another Mailbox feature in the new Exchange admin center (EAC)
- M365 Changelog: (Updated) Contact Unification across Outlook and Teams
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