Antwort How do I enable Exchange Web Services in Office 365? Weitere Antworten – How to enable exchange web services in Office 365

How do I enable Exchange Web Services in Office 365?
Enable the Use of EWS

  1. From the navigation pane, go to Protect > Applications > Exchange. The Exchange page appears.
  2. Click the Exchange app. The app page appears.
  3. On the Configuration tab, in the General section, move the Use EWS toggle key to the right. The Edit EWS Connection URL dialog box appears.

Under the Exchange Configurations category click on Mailbox Features Settings. Form the OWA drop-down select Enable or Disable. Configure other mailbox settings, if required.OAuth authentication for EWS is only available in Exchange Online as part of Microsoft 365. EWS applications that use OAuth must be registered with Microsoft Entra first.

What is the URL of Exchange Web Services for Office 365 : The examples in this article use the Office 365 EWS endpoint URL, https://outlook.office365.com/EWS/Exchange.asmx .

How to enable Exchange web services

This will be a step-by-step guide in the following order:

  1. Test the Exchange Server Connection.
  2. Enable TLS 1.1 or Higher.
  3. Enable Autodiscover on the Exchange Server.
  4. Enable Exchange HTTP Protocol (EXPR) as an Outlook Provider.
  5. Put the Autodiscover Domain as the Hostname.

Is EWS enabled by default : EWS is enabled by default, but defaults can be changed. Use the Get-OrganizationConfig cmdlet to make sure that EWS is enabled on the server, and the Get-CASMailbox cmdlet to make sure that EWS is enabled for the user's mailbox.

Outlook Web Access (OWA): Troubleshooting Login Issues

Check that the login and password is correct. Please note that credentials for your Administrator account and User account might be different. Try to login to other services with User credentials: My Services.

Intermedia hosted Exchange customers can access their mailbox through OWA by navigating to the unified login page, selecting webmail and entering their email address and password.

How do I find my EWS Exchange Web Service

Determining the Exchange Web Services (EWS) URL

  1. Open the Exchange Management Shell on the Exchange server.
  2. Type Get-WebServicesVirtualDirectory |Select name, *url* | fl.
  3. The URL will be displayed.

EWS applications work with both on-premises and online versions of Microsoft Exchange. These applications can be installed on a client or on an Exchange on-premises Client Access Server (CAS) and are a key part of the EWS architecture.How to find the Exchange web services URL

  1. The EWS URL is not the Outlook Web Access URL.
  2. If you have administrator access to the Exchange server, you can get this URL running the following command in the Exchange Management Shell: Get-WebServicesVirtualDirectory |Select name, *url* | fl.


Click on Outlook on the top navigation bar, then click Preferences. Click on Accounts. Click on Advanced. The Server URL will be found under Microsoft Exchange > Server.

What replaces Exchange Web Services : Graph APIs

On September 19 2023, Microsoft announced their intention to retire the Exchange Web Services (EWS) protocol on 1 October 2026 and replace it with Graph APIs. The retirement only affects non-Microsoft apps. Microsoft 365 apps like Teams can continue to use EWS to read data from Exchange Online mailboxes.

How to check if EWS is working or not : Go to https://testconnectivity.microsoft.com.

  1. If using Microsoft 365, click the Microsoft 365 tab.
  2. Select Service Account Access (Developers) then click Next.
  3. Specify the target mailbox email address.
  4. Specify the service account user name.
  5. Specify the service account password.

Is OWA enabled by default

Support for Outlook on the web and MAPI, POP3, and IMAP4 email clients is enabled by default when a user mailbox is created.

Log on to OWA

Open a web browser and go to https://outlook.office365.com Enter your email address, then password and sign in.How to find the Exchange web services URL

  1. Hold the Ctrl key and right click on the Outlook Icon in the system tray.
  2. Select “Test E-mail Auto Configuration” from the menu.
  3. Type in an email address located on the desired Exchange server.
  4. Click Test.
  5. The URL is listed as 'Availability Service URL'

How do I enable Exchange Web Services : This will be a step-by-step guide in the following order:

  1. Test the Exchange Server Connection.
  2. Enable TLS 1.1 or Higher.
  3. Enable Autodiscover on the Exchange Server.
  4. Enable Exchange HTTP Protocol (EXPR) as an Outlook Provider.
  5. Put the Autodiscover Domain as the Hostname.