The correct answer is
Options -Indexes
You must have been thinking of
AllowOverride All
https://httpd.apache.org/docs/2.2/howto/htaccess.html
.htaccess files (or “distributed configuration files”) provide a way
to make configuration changes on a per-directory basis. A file,
containing one or more configuration directives, is placed in a
particular document directory, and the directives apply to that
directory, and all subdirectories thereof.