NewMailEx is similar to the NewMail event, but occurs not just when an e-mail arrives in the Inbox but any MailItems, MeetingItems and SharingItems. In fact at least 8 years, as you can see from this Microsoft article. This problem has been around for a long time. This can be a serious blow to any add-in that was built to process new e-mails, because as soon as volume of your user’s e-mails increases, your add-in won’t work! Anything above the 16 items and the event will not be raised. I’ve tested this event and like clockwork it only processes 16 items at a time. Unfortunately similar to the NewMail event, this event does not work well with large number of items. One cannot be blamed for thinking that using the ItemsAdd event in order to track e-mails that are added to the Inbox, would work flawlessly.
The MSDN article for Outlook 2010 can be found here: Application.NewMail Event (Outlook). You can read more about this event in Outlook 2007 on MSDN. This is, however, not the case with an Exchange based account where e-mails arrive in bulk. To Microsoft’s credit when receiving e-mail via a POP3 account, you can generally get away with using this event, because with a POP3 account it looks like Outlook processes the e-mails one at a time. Another thing that Microsoft fails to mention is that when you receive 16 or more items at once, the event does not even fire. It does not give us any access to the mail or mails that arrived, which is a little bit silly to be honest. This event fires when one or more new mail messages arrive in the users’ Inbox. Let’s have a look at the events that might provide us with what we need. Well, unfortunately things are just not that simple. I mean how hard could it be? We have the NewMail and NewMailEx events and if all else fails we can use the Folder Item Add event, right?
#Microsoft office event id 1000 how to#
A while ago Eugene asked me whether I would be interested at taking an in-depth look at how to effectively handle a new mail in Microsoft Outlook.
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