http://m.windowscentral.com/outlook-versus-windows-mail-app-which-better
https://www.neowin.net/news/microsoft-outlook-for-ios-receives-huge-update
https://www.petri.com/easier-calendar-sharing-office-365
https://support.office.com/en-us/article/Use-mentions-to-get-someone-s-attention-90701709-5dc1-41c7-aa48-b01d4a46e8c7?ui=en-US&rs=en-US&ad=US
https://www.petri.com/outlook-connections-office-365-groups?utm_source=twitter.com&utm_medium=social&utm_campaign=buffer&utm_content=buffer3fa8a
https://www.itunity.com/article/cleaning-outlook-autocomplete-list-3829
https://www.itunity.com/article/attachments-embedded-files-outlook-3820
https://blogs.office.com/2016/11/17/introducing-a-new-file-experience-for-groups-in-outlook-on-the-web/
https://support.microsoft.com/en-us/kb/2768656
https://www.petri.com/focused-inbox-office-365
https://www.itunity.com/article/recall-unread-messages-outlook-3693
https://blogs.office.com/2016/09/13/introducing-outlooks-new-and-improved-calendar-on-ios-and-android/
https://mspoweruser.com/microsoft-bringing-office-365-connectors-outlook-web/
https://www.linkedin.com/pulse/winmaildat-issues-office365-patrick-vliegen
https://blogs.office.com/2016/09/13/introducing-outlooks-new-and-improved-calendar-on-ios-and-android/