| Outlook Desktop Sidebar for Windows | Outlook for Mac | OWA Add-in | Chrome Extension | Web Application | Mobile |
| Windows Version Windows 7 SP1 or higher | Mac OS Version OS X v10.0 | Exchange Server Office365, Exchange Online, Exchange 2016+ | Chrome Version – Latest | Browser Version Latest version of Chrome, Firefox, Edge, Safari, or IE11 | iOS Version 9.0 + |
| Outlook Version 2010 | Outlook Version Outlook 2016 for Mac | Outlook Version Outlook 2013/2016 | Android Version 5.0 + | ||
| PC Specs, GPU/Memory – 2.0 GHz CPU, 4GB RAM, 200MB free Disk Space .NET 4.5.0 (We install this) | PC Specs, GPU/Memory Intel Processor 4GB RAM | Browser Version Latest version of Chrome, Firefox, Edge, Safari, or IE11 | |||
| Mailbox Size Limit 12GB | Mailbox Size Limit 12 GB | Outlook Mobile Version iOS – Latest | |||
| Citrix/Remote Desktop | Delegated Calendar/Mailbox Limit 10 | Outlook Mobile Version Android – Latest | |||
| Delegated Calendar/Mailbox Limit 10 | Safari Version – Latest | ||||
| IE Version – IE 10+ |