Hi This is the current list of recommended extensions: https://addons.mozilla.org/en-GB/firefox/search/?promoted=recommended&type=extension

''<p>Galen157 [[#question-1506385|said]]</p>'' <blockquote>I downloaded the first one and now cannot access the page I need. </blockquote> Hi Galen, which one was it? Many privacy-oriented and annoyance-blocking extensions can cause site breakage. If you click the Extensions button (puzzle piece button) and then click the extension's icon, they should inform you if they are blocking content in the site and let you make an exception to allow the site to run as designed. Ref. [[Manage your extensions using the extensions button in the toolbar]]