Start using web services in Exchange | Microsoft Docs
docs.microsoft.com › en-us › exchangeJan 15, 2020 · EWS access: Exchange administrators can limit access to EWS globally for the entire organization, for individual users, and to individual applications. Find out which access level is right for you. Setup: Find information about the tasks you need to complete in order to create applications that use the EWS Managed API or EWS to communicate with ...