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Hi,

I want to have a 2 pages letter with no margin and a 2 columns designed.
Here is my code:
\documentclass[a4paper]{letter}

% import needed package to extend possibilities
\usepackage[most]{tcolorbox}
\usepackage{layout}
\usepackage{luacode}

\usepackage[a4paper,total={210mm,297mm},left=0mm ...

Hi,

I'm new to Latex world and I'm trying to understand why I can not set left margin to 0.
I read several tutorials on internet but none of them work in my case and I was thinking what's going wrong.

I want to use a A4 paper with no margin at top, left, right, bottom sides. So my code is ...