\documentclass[12pt]{article}
\usepackage[letterpaper,margin=1in]{geometry}
\usepackage{graphicx}
\usepackage{parskip}
\usepackage{setspace}

\begin{document}

% Header with logo and institution name
\begin{minipage}{0.7\textwidth}
    \includegraphics[height=1.5cm]{logo.png} % Replace with your logo
    \textbf{\Large Institution Name} \\
    Your Department or Division
\end{minipage}
\hfill
\begin{minipage}{0.25\textwidth}
    \raggedleft
    \today
\end{minipage}

\vspace{0.5cm}
\hrule
\vspace{0.5cm}

% Sender and recipient blocks
\begin{minipage}[t]{0.45\textwidth}
    \textbf{Sender:} \\
    Your Name \\
    Your Title \\
    Your Address \\
    City, State ZIP \\
    your.email@institution.org
\end{minipage}
\hfill
\begin{minipage}[t]{0.45\textwidth}
    \textbf{Recipient:} \\
    Recipient Name \\
    Recipient Title \\
    Company Name \\
    Company Address \\
    City, State ZIP
\end{minipage}

\vspace{1cm}

% Letter content
\begin{spacing}{1.1}
\textbf{Subject: Formal Communication Regarding [Topic]}

Dear Mr./Ms. [Recipient Last Name],

[Your letter content goes here. This template provides ample space for professional correspondence with proper formatting and spacing.]

Sincerely,

\vspace{2cm}

\textbf{Your Name} \\
Your Title

\end{spacing}

\end{document}