O365: Accessing Another Mailbox via OWA URL

It may become necessary for an admin or delegate to access a mailbox (other than their own) in OWA. There's two ways to do this and most people are familiar with the change in the URL method, which is what I'll be covering in this post. In Wave14 (Exchange 2010), you merely had to append…

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O365 & EWS: EmailMessage.SetExtendedProperty() Introduces Undesirable Behavior for Cloud

In Office 365, there is a known issue where Item.SetExtendedProperty() will prevent ResponseMessage.SendAndSaveCopy() from working correctly. Instead of sending the messaging and placing the item in the 'Sent Items' folder, the message will be sent and remain in the 'Drafts' folder. This issue can be corrected by changing the source code of the EWS application in either of the…