Add Credentials To Open Rights Managed. Click on Credential Manager. Go to the following reg key HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem.

For simpler usage patterns like just listing principals or adding new credentials you can also use cmdkey a built-in Windows Command-line utility for credential management For reusing stored Credentials in PowerShell this guy seems to have found a way to build a PSCredential from a Generic Credential handle from the Credential Store using a technique similar to that of CredManps1. To view rights-managed content that you have permissions to by using Office just open the document. In Add Navigation Nodes click Connect to other domains as shown in the following illustration.
However we dont see this because of the Information Rights Management IRM service is not yet enabled in the SharePoint online Tenant settings.
After the first time whenever a user launches the application using the shortcut you just created it will be launched with admin rights. In Credentials Manager click Windows Credentials to select it and then click Add a Windows credential. In Add Navigation Nodes click Connect to other domains as shown in the following illustration. Click Add Credentials on the left.