Microsoft Exchange

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.

Documentation GitHub

Documentation

https://learn.microsoft.com/en-us/exchange/client-developer/web-service-reference/web-services-reference-for-exchange

https://learn.microsoft.com/en-us/exchange/client-developer/exchange-server-development

Other Resources

https://outlook.office365.com/EWS/Exchange.asmx?wsdl

https://github.com/officedev/ews-managed-api

https://learn.microsoft.com/en-us/exchange/client-developer/exchange-web-services/explore-the-ews-managed-api-ews-and-web-services-in-exchange

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/apis.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-audit-message-attachments-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-audit-org-and-domains-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-compose-attach-send-mail-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-discover-mailbox-content-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-find-times-and-book-meeting-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-grant-folder-permission-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-inspect-and-delegate-mailbox-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-migrate-mailbox-item-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-organize-contacts-folder-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-organize-folder-and-file-message-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-prepare-and-send-forward-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-provision-calendar-and-add-event-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-reply-to-latest-from-sender-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-review-and-respond-to-invite-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-schedule-event-with-attachment-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-triage-and-move-message-workflow.yml

https://raw.githubusercontent.com/api-evangelist/microsoft-exchange/refs/heads/main/arazzo/microsoft-exchange-upsert-contact-workflow.yml

API entry from apis.yml

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: SDKs
  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