Microsoft states that Exchange Web Services in Exchange Online is fully disabled in April 2027.
Checked 2026-09-30
April 2027: EWS is fully disabled.
- Vendor
- Microsoft
- Product
- Exchange Online
- Subsystem
- Exchange Web Services
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Deprecation of Exchange Web Services in Exchange Online — Microsoft · tier 2 current vendor documentation · EWS deprecation timeline > April 2027
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-ews-fully-off-apr-2027. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-ews-fully-off-apr-2027
BibTeX
@misc{warmtransfer-claim-unity-connection-single-inbox-setup-ews-fully-off-apr-2027,
title = {Setting up Unity Connection single inbox with Microsoft 365: source note unity-connection-single-inbox-setup-ews-fully-off-apr-2027},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/unity-connection-single-inbox-setup-ews-fully-off-apr-2027},
note = {Source note unity-connection-single-inbox-setup-ews-fully-off-apr-2027, checked 2026-09-30}
}