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Similarly, you can also configure Archive Logging in opEvents to archive any specific log entries you require, for any length of time (to learn more about how to configure and activate purging policies, see Purging of old data in opEvents).
This document describes how you can enable and configure the Archive Logging feature as well as view the archived logs on the opEvents page.
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To view the archived logs, go to the opEvents page and click Views > Archive Logs.