Overview
This article lists the supported platforms, Outlook client versions, and Microsoft 365 requirements for the Opensense Outlook Add-in. Confirm that users meet all requirements before deploying or troubleshooting the add-in.
GCC High environments are supported. See Opensense Add-in Integration with GCC High Environments for requirements and configuration details.
General requirements
All of the following conditions must be met to deploy and use the Opensense Outlook Add-in:
Mailbox hosted on Exchange Online (Microsoft 365). On-premises Exchange is not supported for add-in deployment.
User licensed through a supported Microsoft 365 or Office 365 plan (see license requirements below).
Outlook client meets or exceeds the minimum supported version listed below.
Outlook client supports Office JavaScript API v1.10 or later. Some features require v1.13, available on Microsoft 365 subscriptions only.
Subscription directory is in or federated to Microsoft Entra ID.
Not sure which version of Outlook you have? See Microsoft's guide: What version of Outlook do I have?
Supported Outlook clients
Windows
Client | Minimum version | Notes |
|---|---|---|
Classic Outlook for Windows | Version 2104 (Build 13929.20296) | Must be Click-to-Run. MSI-based installs are not supported. |
New Outlook for Windows | Windows 10 Version 1809 (Build 17763) or later | New Outlook updates continuously and has no minimum build requirement beyond the OS version. |
Outlook on the Web (OWA) | Any supported modern browser | Full add-in functionality supported. |
Mac
Client | Minimum version | Notes |
|---|---|---|
New Outlook for Mac | Version 16.38.506 or later | New Outlook interface required. Legacy Outlook for Mac is not supported. |
To enable the New Outlook interface on Mac: open Outlook, then go to Outlook menu > New Outlook and confirm the toggle is on.
Mobile
Platform | Minimum version | Notes |
|---|---|---|
Outlook for iOS | Version 2.75.0 or later | Must be connected to Exchange Online. See How To Access the Opensense Outlook Add-in on iOS. |
Outlook for Android | Version 2.2.145 or later | Must be connected to Exchange Online. See How To Access the Opensense Outlook Add-in on Android. |
Unsupported environments
On-premises Exchange (the add-in is not supported, but Opensense supports on-premises Exchange via ExSBR by MessageConcepts -- contact help@opensense.com for details)
POP and IMAP accounts
Volume-licensed Office (Office 2016, 2019, 2021 LTSC -- these do not support the required API version)
Legacy Outlook for Mac
MSI-based Office installs
GoDaddy-managed Microsoft 365 accounts
Office 365 E1 and E2 plans
License requirements
Users must have one of the following supported Microsoft 365 or Office 365 licenses. The add-in is deployed through Microsoft AppSource via Integrated Apps, and not all plans include AppSource access.
License | Supported |
|---|---|
Microsoft 365 Business Basic, Standard, Premium | Yes |
Office 365 / Microsoft 365 Enterprise E3, E5, F3 | Yes |
Office 365 / Microsoft 365 Education A1, A3, A5 | Yes |
Office 365 / Microsoft 365 Government G3, G5 | Yes |
Office 365 E1 | No |
Office 365 E2 | No |
Microsoft 365 Apps for Business or Enterprise (no Exchange Online) | No |
GoDaddy-managed Microsoft 365 | No |
If you are unsure whether your plan qualifies, see Microsoft's Centralized Deployment requirements guide, which includes a compatibility checker tool.
Deployment requirements
The add-in is deployed via Microsoft 365 Integrated Apps using Centralized Deployment. Centralized Deployment is supported in most Microsoft 365 tenants. Microsoft provides a compatibility checker if you are unsure whether your organization qualifies.
Nested groups are not supported for add-in scoping. Users must be members of a top-level group.
The admin deploying the add-in must have Global Administrator or Exchange Administrator permissions.