MC765804 — Microsoft Defender for Office 365: Adding last used dates to Tenant Allow/Block Lists

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 early May 2024. No admin action is required for this update.