Archival of Alert Composer data

Summary:

For Learning, many clients have legal / compliance requirements for availability of data for audit purposes. For alert composer notifications, please confirm if there is a system limitation that at any point in time the alert composer data is only available for the last 90 days, or is this something configurable? For example, if I need to query the alert composer tables for an enrollment alert or due date/overdue notification that was sent to a learner one year ago, is that something supported by Alert composer?

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