The EWSEditor tool has been around a while and is managed/developed by some of my co-workers that sit on the Outlook Developer Support Team. As I have been developing more and more Office Web Add-ins for Outlook, I have found knowing and using EWS to be a very important skill.
EWSEditor helps in this regard. It is a very powerful, full featured EWS test bed. To get started you download this and extract the contents of the ZIP to a folder. From there you launch it and from the File menu, click Next Exchange Service enter in your email address and then select password and click Ok. Then viola, you are connected:
Once connected, you can start browsing your mailbox using EWS. To get to your Inbox, for example, you select TopOfInformationStore and then select Inbox:
From there you can go to different folders and look at the items, properties, and values stored in your mailbox. It is quite handy to understand how these things are structured and stored.
Next, you can click Tools, EWS Post and test your EWS skills. What I did was entered in my information to connect to my server and filled it in as such:
I then entered the following XML:
<?xml version="1.0" encoding="utf-8"?>
<t:RequestServerVersion Version="Exchange2010_SP2" />
And when I hit run, I got a response you see above. It is that simple. And there are also lots of examples as well. If you click Load Example you will see a lot of XML SOAP requests you can test with:
Download it and give it a try.