How to find your custom EWS URL

For Outlook users

1. Open Outlook
2. Click File on the top-left corner
   
   
   
3. Under Account Settings, this will indicate your mail server's EWS URL
   

For other mail application users

1. Click Options, then click All Options
2. Click Account, then click My Account
3. With the Server name that is outlined in red, your custom EWS URL will look something like: https://Server name/EWS/Exchange.asmx
4. In this case, the custom EWS URL would be: https://affinity.outlook.com/EWS/Exchange.asmx