Inspiration: ymca template by Lalit Rai.
\begin
Discover why 18 million people worldwide trust Overleaf with their work.
% Inspiration: ymca template by Lalit Rai
\documentclass[twoside]{letter}
\usepackage{multicol}
\usepackage{ragged2e}
\usepackage[a4paper]{geometry}
\usepackage{fancyhdr}
\usepackage{amssymb, amsmath, graphicx}
\usepackage{lipsum}
\usepackage[none]{hyphenat}
\usepackage{bookman}
\usepackage{fontenc}
\usepackage[usenames, dvipsnames]{xcolor}
\definecolor{betterblue}{RGB}{0,105,175}
\usepackage[bookmarks, colorlinks, breaklinks, pdftitle={Formal Letter}]{hyperref}
\hypersetup{linkcolor=blue, citecolor=blue, filecolor=black, urlcolor=betterblue}
%Margins and Header/Footer
\geometry{a4paper,
top=2.54cm,
bottom=2.54cm,
left=2.54cm,
right=2.54cm,
headheight=14.5pt, % the default is too short
heightrounded, % avoids the need of a flexible baselineskip
}
\pagestyle{fancy}
\renewcommand{\headrulewidth}{0.4pt}
\renewcommand{\footrulewidth}{0.4pt}
\fancyhf{} % clear all fields
\fancyhead[R]{}
\fancypagestyle{fancy}{%
\renewcommand{\headrulewidth}{0.4pt}%
\renewcommand{\footrulewidth}{0.4pt}%
\fancyhf{}% clear all fields
\fancyhead[R]{}%
\fancyfoot{}
}
\renewcommand{\headrulewidth}{0pt}
\renewcommand{\footrulewidth}{0pt}
\setlength\parindent{0pt}
\addtolength{\parskip}{\baselineskip}
\fancyhead[L]{\bf 00/0000}
\begin{document}
\justifying
\parbox{\linewidth}
{
\begin{flushright}
Address Line\\
Locality, \textbf{\textsc{City 000 000}}\\
\mbox{}\\
+00 000 0000000\\
\href{mailto:username@email-service.com}{username@email-service.com}
\end{flushright}
}
\textbf{\today}
\parbox{\linewidth}
{
\begin{flushleft}
\emph{Addressee's Job Title}\\
Department, Organization\\
\mbox{}\\
Street/Locality, \textbf{\textsc{City 000 000}}\\
\end{flushleft}
}
\vspace{2em}
\begin{center}\textsc{\Large \textbf{Subject}}\end{center}
\emph{Salutation},
\lipsum[1-2]
\bigskip
\emph{Yours sincerely},
\vfill
\begin{multicols}{2}
\parbox{\linewidth}
{
\begin{flushleft}
\rule{0.90\linewidth}{0.5mm}\\
\textbf{\emph{Full Name}}
\end{flushleft}
}
\parbox{\linewidth}
{
\begin{flushright}
\rule{0.90\linewidth}{0.5mm}\\
\textbf{\emph{Authorized Signature}}
\end{flushright}
}
\end{multicols}
\end{document}