Administrators can utilize the Exchange Admin Center and Exchange Online PowerShell module to enable an archive mailbox for users in addition to their existing user mailbox. The following exercise will enable an archive mailbox for a standard user utilizing both admin locations:

  1. Browse to the Exchange Admin Center and sign in with an account that has Exchange administrator permissions.
  2. Choose recipients and click on the user mailbox you want to enable.
  3. On the right-hand side of the window, under In-Place Archive, click on Enable:

Figure 11.16 – Enable archive mailbox

The same task can be completed by using the following cmdlet in the Exchange Online PowerShell module:

Enable-Mailbox -Identity <username> -Archive

In this example, <username> is the FQDN of the user’s Microsoft 365 account.

Once archiving is enabled on a mailbox, you can then create policies for archiving and deletion that automatically move a user’s archive mailbox and purge content from it by creating the custom retention tags and policies that have been discussed earlier in this chapter in the Implementing retention policies and tags in Microsoft Exchange section.

Summary

In this chapter, we covered managing data retention in Microsoft 365, including creating and applying policies in Microsoft SharePoint and OneDrive, creating and applying retention policies in Microsoft Teams, recovering content in Microsoft Teams, SharePoint, and OneDrive, implementing retention policies and tags in Microsoft Exchange, applying mailbox holds in Microsoft Exchange, and implementing Microsoft Exchange Online archiving policies. There were multiple lab exercises in this chapter, which should all be completed to ensure you have a full understanding of the topic. In the next chapter, we will discuss implementing records management in Microsoft 365.

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