latex Creating posters using beamer Basic outline of a beamer poster

Example

In landscape orientation

\documentclass[final,t]{beamer}
\mode<presentation>
  {
  \usetheme{Berlin}
  }

\usepackage[orientation=landscape,size=a1,scale=1,debug]{beamerposter}
\usepackage{lipsum} % for dummy text


\title[]{\huge Awesome title}
\author[]{\large \textbf{Author Name1} \and Author Name2 \and Author Name3}
\institute[]{\Large Dept of XYZ, ABC Institute}
\date{}

\begin{document}

\begin{frame}
\maketitle
\begin{columns}[t]
  \begin{column}{.32\linewidth}
 
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}     

  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  
  \end{column}

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


  \begin{column}{.32\linewidth}
 
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}     

  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  
  \end{column}

  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

  \begin{column}{.32\linewidth}
 
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}     

  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  
  \end{column}
  \end{columns}
    
\end{frame}

\end{document}

In portrait orientation

\documentclass[final,t]{beamer}
\mode<presentation>
  {
  \usetheme{Berlin}
  }

\usepackage[orientation=portrait,size=a1,scale=1,debug]{beamerposter}
\usepackage{lipsum} % for dummy text


\title[]{\huge Awesome title}
\author[]{\large \textbf{Author Name1} \and Author Name2 \and Author Name3}
\institute[]{\Large Dept of XYZ, ABC Institute}
\date{}

\begin{document}

\begin{frame}
\maketitle
\begin{columns}[t]
  \begin{column}{.45\linewidth}
 
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}     

  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  \end{column}

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


  \begin{column}{.45\linewidth}
 
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}     

  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  \begin{block}{Some heading}
  \lipsum[1]
  \end{block}
  
  \end{column}
  \end{columns}
    
\end{frame}

\end{document}