This is already available on the site created by @Fran ---- https://tex.stackexchange.com/a/185663/197451
Have a look and see if this is what you wanted
The output will be as below

The MWE
\documentclass{article}
\begin{document}
\centering
With \verb|minipage|s:\bigskip
\fboxsep=.6em
\fbox{\begin{minipage}[t][2cm][t]{.25\textwidth}
\begin{itemize}
\item Bla bla bla ...
\item
\item
\end{itemize}
\end{minipage}}%
\fbox{\begin{minipage}[t][2cm][t]{.25\textwidth}
\begin{itemize}
\item Bla bla bla ...
\item
\end{itemize}
\end{minipage}}
\bigskip With \verb|tabular|:\bigskip
\begin{tabular}{|l|l|}
\hline\parbox[t]{0.25\textwidth}{
\begin{itemize}
\item Bla bla bla ...
\item
\item
\end{itemize}}&
\parbox[t]{0.25\textwidth}{
\begin{itemize}
\item Bla bla bla ...
\item
\end{itemize}}\\
\hline
\end{tabular}
\bigskip With \verb|\parbox| alone:\bigskip
\fbox{\parbox[t]{0.25\textwidth}{
\begin{itemize}
\item Bla bla bla ...
\item
\item
\end{itemize}} \vrule%
\parbox[t]{0.25\textwidth}{
\begin{itemize}
\item Bla bla bla ...
\item
\end{itemize}}}
\end{document}
\columnseprule=0.5pt(for example). Works with twocolumn, multicols, paracol etc. – John Kormylo Feb 13 '20 at 17:31