Microsoft Edge will retire support for Windows Information Protection (WIP) and Microsoft Defender Application Guard (MDAG) by late September 2026. Organizations using these on Windows 10 must migrate to Microsoft Purview solutions and Edge's built-in security features, as these capabilities are already removed in Windows 11 version 24H2.
Day in brief
Microsoft Edge: Retirement of Windows Information Protection (WIP) and Microsoft Defender Application Guard (MDAG) leads 2 Defender updates
21 August 2026 recorded 2 tracked Microsoft Defender documentation changes and 2 relevant Message Center announcements. The most active areas were Defender XDR.
- Microsoft Edge: Retirement of Windows Information Protection (WIP) and Microsoft Defender Application Guard (MDAG)
Defender XDR · Endpoint protectionMicrosoft Edge will retire support for Windows Information Protection (WIP) and Microsoft Defender Application Guard (MDAG) by late September 2026. Organizations using these on Windows 10 must migrate to Microsoft Purview solutions and Edge's built-in security features, as these capabilities are already removed in Windows 11 version 24H2.
- Microsoft Defender for Office 365: Localized default mark and notify email template
Defender XDR · GeneralMicrosoft Defender for Office 365 will localize the default "Mark and notify" email template based on users' Outlook language settings, improving clarity in user-reported message notifications. Rollout starts June 2026 worldwide, completing by September 2026. No action is required; admins may inform users and review settings.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
2 updates
Microsoft Defender XDR
2 updatesMicrosoft Defender for Office 365 will localize the default "Mark and notify" email template based on users' Outlook language settings, improving clarity in user-reported message notifications. Rollout starts June 2026 worldwide, completing by September 2026. No action is required; admins may inform users and review settings.