Source record · tier 2 current vendor documentation

Deprecation of Exchange Web Services in Exchange Online

Publisher: Microsoft
URL: https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/deprecation-of-ews-exchange-online
Published: 2026-09-04
Updated: unknown
Accessed: 2026-09-30
HTTP status: 200
License: Microsoft Learn terms of use; no-redistribution; short excerpts and locators only

Source notes citing this source

Microsoft's EWS deprecation timeline says EWS starts to be disabled globally for all Exchange Online organizations in October 2026 and is fully disabled in April 2027. in context
Microsoft states that in October 2026 Exchange Web Services starts to be disabled globally for all Exchange Online organizations. in context
Microsoft states that Exchange Web Services in Exchange Online is fully disabled in April 2027. in context

Cite this source record

APA

WarmTransfer. (2026, September 4). Deprecation of Exchange Web Services in Exchange Online. WarmTransfer. https://warmtransfer.net/knowledge/sources/ms-learn-exo-ews-deprecation

BibTeX

@misc{warmtransfer-ms-learn-exo-ews-deprecation,
  title  = {Deprecation of Exchange Web Services in Exchange Online},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/ms-learn-exo-ews-deprecation},
  note   = {Microsoft, accessed 2026-09-30}
}