See Outlook's June 13 2017 Security Update for instructions.
Outlook 2007 is the only version where i Cloud is affected by the June 13 2017 security update, but attachments are blocked in some scenarios in Outlook 2010, 2013, 2016.
You can easily transfer Black Berry contacts to i Phone using Copy Trans Contacts.
It works with all phones running Black Berry OS and all i Phone, i Pad and i Pod touch models including i Phone 6s, i Phone 7 and i Phone 7 plus.
On any of your devices with Office 365 you will find everything looking exactly the same as you left it last time you worked on something, even if your PCs are running on different versions of Windows.