Exchange Web Services (EWS)

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.

API entry from apis.yml

apis.yml Raw ↑
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