[EWS]Using Oauth authentication with EWS in Office 365

I’m sharing a PowerShell script sample that illustrates using Oauth authentication via Azure Active Directory (AAD) and EWS to connect to Office 365 mailbox. The script outputs the total item count in Inbox folder and prints the subject of the last five items in Inbox. The authorization grant flow used is Authorization code grant flow…


Get Started with Exchange Online REST APIs for Office 365 development in .NET

If you intend to try your hands on building an application that interacts with Exchange Online and utilizes Office 365 REST APIs for mail, calendars, and contacts, the steps below should help. Get your Office 365 tenant developer account (if you need more than one license, link your tenant to 30 days free trial of…


[EWS]How To enable EWS request and response tracing in PowerShell script using EWS Managed API?

Most of the time we need to review the request and response logs when troubleshooting any application/script which is utilizing the Exchange Web Services. Although setting the TraceEnabled flag to true on the ExchangeService object outputs the trace to the PowerShell window, there is no easy way to copy the trace to a file. Below…


NO TO MULTIPLE BODIES ON A MESSAGE!

Recently I came across a case where the requirement was to send an email (using Outlook Object Model) consisting of both HTML and Plain Text body, with the idea being that, based on the View set in outlook, the appropriate body will be chosen. The cause for setting multiple bodies was that, when an email…