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- For Windows users, follow the instructions at: https://docs.microsoft.com/en-us/office/dev/add-ins/testing/create-a-network-shared-folder-catalog-for-task-pane-and-content-add-ins.
- For Mac users, follow the instructions at: https://docs.microsoft.com/en-us/office/dev/add-ins/testing/sideload-an-office-add-in-on-ipad-and-mac.
If this approach is used, the "Centralized Deployment" section below can be skipped.
Please note that it might be possible to avoid having to install the OC separately on all client computers. However, this approach has not been tested. The approach can be tried by following the instructions at https://docs.microsoft.com/en-us/office/dev/add-ins/publish/publish-task-pane-and-content-add-ins-to-an-add-in-catalog. It involves publishing the OC to an app catalog with an on-premises SharePoint Server. Note that this approach will not make the OC available for Mac users.
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