​Here's how to sort the contact list alphabetically by last name:
- Go to the main Contact list by selecting "Contacts" in the navigation bar.
- In the page menu on the left, select "Sort by" under the "Filters & Sorting" section.
- In the dialog that appears, select "Last name" and then choose either "A to Z" or "Z to A."
- Select "Sort Results" to view contacts organized alphabetically by last name.
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