...We're here to help, so please don’t hesitate to get touch with any questions you may have. Connect Microsoft Outlook with Microsoft 365 and SharePoint Online across all supported devices, including macOS, Windows, OWA, Android, iOS iPhone and iPad. The OnePlaceMail App works on all platforms and devices supported by Outlook. With multi-platform support, you can remain productive from your phone, web browser or preferred Outlook on Windows or mac client. The OnePlaceMail App looks, feels and works intuitively within Microsoft Outlook.