EnglishLanguageEnglishČeštinaEspañolPortuguêsFrançaisDeutschSvenskaTürkçeItaliano简体中文NorskРусскийDansk한국어日本語Overleaf on XOverleaf on FacebookOverleaf on LinkedInWe only use cookies for essential purposes and to improve your experience on our site. You can find out more in our .Essential cookies onlyAccept all cookies×Get in touchEmail addressSubjectHave you checked our ?What do you need help with?Please select…Using LaTeXUsing the Overleaf EditorUsing WritefullLogging in or managing your accountManaging your subscriptionUsing premium featuresContacting the Sales teamOtherAffected project URL (Optional)Let us know how we can helpSend messageSending…Message sent! Our team will review it and reply by email.Email: , Perhaps the quickest way is to use the titlesec package: \usepackage{titlesec} \titleformat{\section} {\normalfont\Large\bfseries}{\S\thesection}{1em}{} \begin{document} \section{Test section} \subsection{Test subsection} \section*{An unnumbered test section} \section{Another test section} \subsection{Another test subsection} \end{document}, is the sectioning command to be redefined: \part, \chapter, \section, \subsection, \subsubsection, \paragraph or \subparagraph. is sectioning paragraph shape; possible values are: hang, block, display, runin, leftmargin, rightmargin, drop, wrap and frame..