Enabled by default.
Visitors can filter by initial letter:
All A B C ... Z #
Accented Latin titles are transliterated to their base A–Z letter where Joomla can normalize them. Other initials can be grouped under #.
Letters with no matching items are disabled.
Combining Search and A–Z
Search and A–Z use AND behavior.
Example:
Search: installation
A–Z: I
Only currently loaded items matching both conditions remain visible.