If you are an iPhone user and if you have an email account in Office 365 or on an Exchange 2016 server, don't upgrade to iOS 11 just yet.If you upgrade the native Mail App on the iPhone will no longer function correctly. Microsoft & Apple are working on the issue.For more information: https://support.microsoft.com/en-us/help/4043473/you-can-t-send-or-reply-from-outlook-com-office-365-or-exchange-2016-iHappy Computing.
