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Some sources or documents need attention: 271/271 feeds/APIs · 464/464 docs · checked 09:33 UTC Customize Public modeDiscuss ChangeIntel on Discord

Recorded 23 Oct 2026 at 09:07 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

Guidance timelinelearn.microsoft.com

Baseline security mode settings

Microsoft's guidance publishes 3 dates, from October 2025 to October 2026 (Block Microsoft Publisher).

Cite this recorded revision

What it said

Authentication
October 2025 · Enforced
Exchange Web Services requirements
August 2026
Block Microsoft Publisher
October 2026 · Enforced, conditional
Relative periods
up to 24 hours
Settings named
LegacyBrowserAuthProtocolsEnabled, Set-SPOTenant

What changed

First observed 23 Oct 2026

No field changes are shown for this selection.

Cite this recorded revision to keep the same title, summary, facts and links when the page changes.

A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.

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 23 Oct 09:33 UTC · 271 of 271 readable · 269 fully read · documentation 464/464 current

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