M
medu
Guest
This will work if the user's mailbox is on an Exchange server, if that is not the case the only option will be the good old Outlook MAPI (COM interface) - msdn.microsoft.com/.../jj900714%28v=office.15%29.aspx If Exchange is used direct web-service access (EWS) can also be used, if managed .NET version mentioned by Tom doesn't work for you. We have that working for calendar, tasks and contacts. If Office365 is used the managed EWS will need some tweaks to make it accept the ssl certificate and be aware of proxy settings in IE as those are going to be used by EWS as well (by default).
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