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Roadmap ID 542189 Launched

Microsoft Defender for Office 365: Admins can block external users in Microsoft Teams from Defender Portal

Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 roadmap entry

Changes ChangeIntel observed

last 90 days

Observed refresh times show when ChangeIntel detected a change. Source creation and modification times appear in Overview. Targets retain month precision.

No status or target changes observed in the last 90 days.

What changed

  1. Availability target: Not stated → February CY2026
  2. Availability target: February CY2026 → Not stated
  3. Availability target: Not stated → February CY2026
  4. Availability target: February CY2026 → Not stated
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (55)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 5 Nov 2026 · 18:04:05 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  2. 5 Nov 2026 · 17:01:08 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  3. 4 Nov 2026 · 15:02:25 UTC Last changed12 Dec 2025 23:00 UTC → 24 Feb 2026 00:15 UTC
  4. 4 Nov 2026 · 15:02:25 UTC General availability targetNot stated → February CY2026
  5. 4 Nov 2026 · 15:02:25 UTC Source coverage: merill-message-center-archiveCurrent → Not collected
  6. 4 Nov 2026 · 15:02:25 UTC Source coverage: microsoft-365-roadmapCurrent
  7. 4 Nov 2026 · 15:02:25 UTC Link: Microsoft Defender for Office 365/roadmap?topic=Microsoft%20Defender%20for%20Office%20365&period=all#items → No longer listed in this observation
  8. 4 Nov 2026 · 15:02:25 UTC Link: Defender/roadmap?topic=Defender&period=all#items
  9. 4 Nov 2026 · 15:02:25 UTC Link: Microsoft roadmap entryhttps://www.microsoft.com/en-us/microsoft-365/roadmap?id=542189
  10. 4 Nov 2026 · 13:26:53 UTC Last changed24 Feb 2026 00:15 UTC → 12 Dec 2025 23:00 UTC
  11. 4 Nov 2026 · 13:26:53 UTC General availability targetFebruary CY2026 → Not stated
  12. 4 Nov 2026 · 13:26:53 UTC Source coverage: microsoft-365-roadmapIncomplete → Not collected
  13. 4 Nov 2026 · 13:26:53 UTC Source coverage: merill-message-center-archiveCurrent
  14. 4 Nov 2026 · 13:26:53 UTC Link: Defender/roadmap?topic=Defender&period=all#items → No longer listed in this observation
  15. 4 Nov 2026 · 13:26:53 UTC Link: Microsoft roadmap entryhttps://www.microsoft.com/en-us/microsoft-365/roadmap?id=542189 → No longer listed in this observation
  16. 4 Nov 2026 · 13:26:53 UTC Link: Microsoft Defender for Office 365/roadmap?topic=Microsoft%20Defender%20for%20Office%20365&period=all#items
  17. 4 Nov 2026 · 13:10:08 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  18. 4 Nov 2026 · 11:04:04 UTC Last changed12 Dec 2025 23:00 UTC → 24 Feb 2026 00:15 UTC
  19. 4 Nov 2026 · 11:04:04 UTC General availability targetNot stated → February CY2026
  20. 4 Nov 2026 · 11:04:04 UTC Source coverage: merill-message-center-archiveCurrent → Not collected
  21. 4 Nov 2026 · 11:04:04 UTC Source coverage: microsoft-365-roadmapCurrent
  22. 4 Nov 2026 · 11:04:04 UTC Link: Microsoft Defender for Office 365/roadmap?topic=Microsoft%20Defender%20for%20Office%20365&period=all#items → No longer listed in this observation
  23. 4 Nov 2026 · 11:04:04 UTC Link: Defender/roadmap?topic=Defender&period=all#items
  24. 4 Nov 2026 · 11:04:04 UTC Link: Microsoft roadmap entryhttps://www.microsoft.com/en-us/microsoft-365/roadmap?id=542189
  25. 4 Nov 2026 · 10:01:18 UTC Last changed24 Feb 2026 00:15 UTC → 12 Dec 2025 23:00 UTC
  26. 4 Nov 2026 · 10:01:18 UTC General availability targetFebruary CY2026 → Not stated
  27. 4 Nov 2026 · 10:01:18 UTC Source coverage: microsoft-365-roadmapIncomplete → Not collected
  28. 4 Nov 2026 · 10:01:18 UTC Source coverage: merill-message-center-archiveCurrent
  29. 4 Nov 2026 · 10:01:18 UTC Link: Defender/roadmap?topic=Defender&period=all#items → No longer listed in this observation
  30. 4 Nov 2026 · 10:01:18 UTC Link: Microsoft roadmap entryhttps://www.microsoft.com/en-us/microsoft-365/roadmap?id=542189 → No longer listed in this observation
  31. 4 Nov 2026 · 10:01:18 UTC Link: Microsoft Defender for Office 365/roadmap?topic=Microsoft%20Defender%20for%20Office%20365&period=all#items
  32. 4 Nov 2026 · 07:16:39 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  33. 3 Nov 2026 · 10:16:39 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  34. 3 Nov 2026 · 09:13:39 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  35. 28 Oct 2026 · 08:37:56 UTC Link: Microsoft roadmap entryhttps://www.microsoft.com/microsoft-365/roadmap?id=542189 → https://www.microsoft.com/en-us/microsoft-365/roadmap?id=542189
  36. 26 Oct 2026 · 18:49:55 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  37. 26 Oct 2026 · 17:48:57 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  38. 26 Oct 2026 · 06:24:14 UTC Link: Microsoft 365 Message Center Archive by Merill Fernandohttps://mc.merill.net/message/RM542189
  39. 25 Oct 2026 · 20:06:13 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  40. 25 Oct 2026 · 18:13:50 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  41. 24 Oct 2026 · 11:31:34 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  42. 24 Oct 2026 · 09:51:08 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  43. 23 Oct 2026 · 09:33:49 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  44. 23 Oct 2026 · 08:31:50 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  45. 22 Oct 2026 · 18:42:24 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  46. 22 Oct 2026 · 17:41:25 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  47. 21 Oct 2026 · 20:45:25 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  48. 21 Oct 2026 · 19:44:24 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  49. 18 Oct 2026 · 14:54:30 UTC Link: Defender/roadmap?topic=Defender&period=all#items
  50. 15 Oct 2026 · 14:22:54 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  51. 15 Oct 2026 · 13:21:54 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  52. 15 Oct 2026 · 12:20:54 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  53. 15 Oct 2026 · 11:19:54 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  54. 14 Oct 2026 · 11:54:40 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  55. 14 Oct 2026 · 11:22:42 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 16:19 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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