:navigation-title: Extensions
..  include:: /Includes.rst.txt
..  _admin-tools-extensions:

========================
Extensions (Admin Tools)
========================

Only available if :composer:`typo3/cms-extensionmanager` is installed.

The backend module :guilabel:`Admin Tools > Extensions`, also called
"Extension Manager", can be used in Composer-based extensions to view which
TYPO3 extensions are installed. In non-Composer installation (not in the scope
of this guide) they can also be used to install and activate extensions:
:ref:`Installing an Extension using the Extension Manager <t3coreapi:extension-install>`.