How to Find the Exchange Web Services (EWS) URL for Zoom Integration
Question details
The user needs to find the correct Exchange Web Services (EWS) URL to integrate a University or corporate Exchange calendar with Zoom.
- Product
- Microsoft Exchange
- Device & OS
- not provided
- Scenario
- Connecting Zoom to an institutional Exchange calendar for meeting scheduling and synchronization.
- Observed behavior
- The user requires the specific EWS endpoint URL, which varies depending on whether the organization uses Exchange on-premises, Hybrid, or Exchange Online.
Verify whether your organization uses Exchange Online (Office 365) or an on-premises Exchange server, as this determines which EWS endpoint you should use.
Contact Your IT Administrator for the EWS Endpoint
The most reliable way to get the correct EWS URL for an institutional account (like a university) is to ask the IT department.
Because on-premises and Hybrid Exchange environments use custom server addresses configured by internal IT departments, there is no one-size-fits-all URL.
Determine whether your university or organization uses an on-premises Exchange server, a Hybrid environment, or Exchange Online.
Reach out to your university's IT administrator or support team. Request the specific Exchange Web Services (EWS) URL they have configured for calendar integrations.
Use the Standard Exchange Online EWS URL
If your organization operates entirely on Exchange Online (Office 365), you can try the default Microsoft EWS endpoint.
Review Microsoft's EWS Managed API Guidelines
For advanced setups or administrative configuration, refer to official Microsoft developer guidelines regarding the EWS service URL.
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Frequently Asked Questions
What is an Exchange Web Services (EWS) URL?
The EWS URL is a specific web endpoint address that allows third-party applications, like Zoom, to communicate with Microsoft Exchange servers to synchronize calendar, contact, and email data.
Can I use the same EWS URL for all Exchange accounts?
No. The correct EWS URL heavily depends on your organization's specific Exchange environment. While Exchange Online accounts often use outlook.office365.com, on-premises or Hybrid environments use unique server addresses determined by your organization's IT administrator.
Why is Autodiscover important for finding the EWS URL?
Autodiscover is an intelligent Exchange service that automatically locates the user's mailbox and dynamically provides the correct EWS URL to the integrating application, which makes manual URL entry unnecessary in properly configured environments.
What does the default Exchange Online EWS URL look like?
For organizations securely hosted on Exchange Online (Microsoft 365), the standard and most commonly used EWS URL is https://outlook.office365.com/EWS/Exchange.asmx.




