ONLYOFFICE
Set your own columns in documents
By default, OnlyOffice gives you five column options to lay out text in a document – you’ll see these by clicking Layout at the top, then the Columns dropdown menu. If none of them suit your purposes, click ‘Custom columns’ to create your own.
In the box in our screenshot below) then their width and how much space you want between them . You can also choose to have equal column widths and a line dividing the columns . Click OK to confirm.