Enable Mailbox Archiving within Office 365

Correct Answer: C

You can enable archive for your users by:

Navigate to Security & Compliance Center, select Information governance, select Archive:

Select all mailboxes by clicking on the first one in the list, holding down the Shift key, and then clicking the last one in the list.

In the details pane, under Bulk Edit, click Enable.

View the warning and click Enable to start the process.

Option A is incorrect.

This is related to migration workloads from exchange on-premise to exchange online.

Option B is incorrect.

This is related to sharing configurations between yours and other organizations.

Option D is incorrect.

This is related to setting up retention policies to determine what items to keep and for how long.

To know more about setting up mailbox archiving, please refer to the link below:

The correct answer is C. In Security & Compliance Center, select Information governance -> Archive.

Explanation:

Mailbox archiving allows users to store historical email messages in a separate archive mailbox. By default, Exchange Online provides a limited archive mailbox of 100 GB per user. To enable mailbox archiving within Office 365, you need to create an archive policy and apply it to your users.

To create an archive policy, you need to go to the Security & Compliance Center. This is where you manage compliance and security features across Microsoft 365, including mailbox archiving.

Here are the steps to enable mailbox archiving within Office 365:

1. Log in to the Microsoft 365 admin center as a global admin.

2. Go to the Security & Compliance Center.

3. Select Information governance -> Archive.

4. Click Create.

5. In the Create archive policy page, enter a name for the policy.

6. Choose the locations you want to apply the policy to. In this case, you would choose Exchange Online.

7. Choose the retention settings you want to apply. For example, you might want to keep all email messages for 7 years.

8. Click Save.

After you've created the archive policy, you need to apply it to your users. Here are the steps to do that:

1. Go to the Microsoft 365 admin center.

2. Select Users -> Active users.

3. Select all the users you want to apply the archive policy to.

4. Click Edit.

5. In the Edit user pane, go to the Mail settings section.

6. Under Archive policy, select the archive policy you created.

7. Click Save.

It may take some time for the archive policy to take effect for all your users, but once it does, they will be able to store historical email messages in their archive mailbox.