Exchange Online authentication

Timelines and exceptions · All guidance changes

Exchange · Official Microsoft guidance

No content change seen yet. Watched since 5 Oct 17:20 UTC, last read today 19:44 UTC, next check 21 Oct 01:44 UTC.

Read the Microsoft source · Link to this observation · My radar

Timeline

From the capture of 5 Oct 17:20 UTC · an earlier observation

Legacy capture: table structure or oversized sections are unavailable for extraction

4 recorded changes

Microsoft's revision log on this page · 20 entries

Dates from the page's own change log or history section. They describe earlier edits, not upcoming policy.

Deprecation of Basic authentication in Exchange OnlineRequirement1 condition
Deprecation of Basic authentication in Exchange OnlineRequirement1 condition
Before December 31, 2022Deprecation of Basic authentication in Exchange OnlineMilestone1 condition
Deprecation of Basic authentication in Exchange OnlineException1 condition
Deprecation of Basic authentication in Exchange OnlineRecommendation1 condition
What we are changingRequirement1 condition
early 2021When did this change take place?Scope1 condition
Impact to messaging protocols and existing applicationsScope
Impact to messaging protocols and existing applicationsScope
POP, IMAP, and SMTP AUTHScope1 condition
Get-IMAPAccesstoken
POP, IMAP, and SMTP AUTHRecommendation
Exchange ActiveSync (EAS)Recommendation1 condition
Exchange ActiveSync (EAS)Recommendation2 conditions
November 9, 2021Exchange ActiveSync (EAS)Recommendation1 condition
Exchange ActiveSync (EAS)Exception2 conditions
Exchange Online PowerShellException1 condition
Exchange Online PowerShellRequirement2 conditions
Exchange Web Services (EWS)RequirementRecommendation
Outlook, MAPI, RPC, and Offline Address Book (OAB)Requirement2 conditions
starting July 2018 · April 2020Protocol recommendationMilestoneExceptionRecommendation3 conditions
Enabling

Extracted automatically from Microsoft's wording. Confirm dates, conditions and whether they apply to you in the source before acting; a month or quarter is a window, not a day.

How this timeline changed

Changes between ChangeIntel's readings of the page, between commits of its source file where Microsoft publishes it, in Internet Archive copies of pages that keep no other history, and entries from Microsoft's own change log (dated as Microsoft dates them). Edits between readings that neither records are unknown.

31 Dec 2022
Microsoft logged an update Deprecation of Basic authentication in Exchange OnlineMicrosoft's change log
9 Nov 2021
Microsoft logged an update Exchange ActiveSync (EAS)Microsoft's change log
1 Jan 2021
Microsoft logged an update When did this change take place?Microsoft's change log
1 Jul 2018
Microsoft logged an update Protocol recommendationMicrosoft's change log

Observed history and review priority

Captured 5 Oct 17:20 UTC; extracted 16 Oct 16:10 UTC. Extractor: microsoft-1/9/fc65ebeb286710c0a830833db8a7e5de7e266b79981fe9c7c34479be9369ad3c/legacy.

Earlier unavailable versions and edits between checks are unknown. A missing statement requires review; it does not mean the policy was cancelled. Recovered historical statements are not original revision snapshots.

Retained observations · 3

Compact evidence remains available after full document bodies expire. Earlier extractions can have different vocabulary or capture limitations.

12 Oct 19:35 UTC · 19 candidates
6 Oct 17:27 UTC · 23 candidates
5 Oct 17:20 UTC · 23 candidates

No related evidence found in this installation's recent collection. This does not establish that no announcement exists.

Retained observations

12 Oct 19:35 UTC
4 removed passages (about 30 words). The changed wording mentions prerequisites. Review the source to confirm the effect.
6 Oct 17:27 UTC
Source metadata changed; retained article content is unchanged.
5 Oct 17:20 UTC · shown above

What changed

First observed 18 Oct 2026

No field changes in the recorded history.

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.