Exchange Web Services (EWS)

name: Exchange Web Services (EWS)
description: Legacy SOAP-based API for Exchange Server providing comprehensive access to mailbox data
  and operations. Planned for deprecation in Exchange Online in October 2026, with Microsoft Graph recommended
  for new development.
image: https://learn.microsoft.com/en-us/media/logos/logo-ms-social.png
humanURL: https://learn.microsoft.com/en-us/exchange/client-developer/exchange-web-services/explore-the-ews-managed-api-ews-and-web-services-in-exchange
baseURL: https://outlook.office365.com/EWS/Exchange.asmx
tags:
- Exchange Server
- Legacy
- Mailbox
- SOAP
- Web Services
properties:
- type: Documentation
  url: https://learn.microsoft.com/en-us/exchange/client-developer/web-service-reference/web-services-reference-for-exchange
- type: WSDL
  url: https://outlook.office365.com/EWS/Exchange.asmx?wsdl
- type: SDK
  url: https://github.com/officedev/ews-managed-api
- type: Reference
  url: https://learn.microsoft.com/en-us/exchange/client-developer/exchange-web-services/explore-the-ews-managed-api-ews-and-web-services-in-exchange
- type: GettingStarted
  url: https://learn.microsoft.com/en-us/exchange/client-developer/exchange-server-development