Final answer:
The maximum message retention period can be changed through the messaging system's settings in administrative controls. The specific steps vary by software, and proper administrative rights are required. Typical examples include changing retention policies in Microsoft Exchange or workspace settings in Slack.
Step-by-step explanation:
The maximum message retention period refers to the length of time a messaging system keeps messages before they are automatically deleted or archived. To change this period, you will typically need to access the message system settings within administrative controls. The exact steps can depend on the specific application or software you're using, such as email services, messaging apps, or enterprise messaging systems. For instance, in email services like Microsoft Exchange, you can change retention policies through the Exchange Admin Center. In messaging services like Slack, you can adjust retention settings in the workspace preferences. Always ensure you have the appropriate administrative rights to make such changes.