We two have our own W10 PCs, each with all our Thunderbird email folders, calendars, cardbook databases, addons, local olders etc. We plan to move to a situation where there is just one W11 PC with an admin user (for when we need to install apps), and two normal users, each with its own Desktop, user folder structure etc, and when each of us log in and start Thunderbird, we see our own emails, calendars, cardbooks etc. So we can effectively each use the one PC as our own. I'm assuming this is possible because Thunderbird profile folders are complete records of all a user's content. I also assume that the W11 PC would only need one installation of Thunderbird itself. With that in mind, I'd welcome any advice about the sequence of what I install / copy, and under what logins each step is done. Also whether the two profiles should be separated into the two users' user folders, or kept together in a Thunderbird data folder. By all means point me to any existing documentation if it exists - I couldn't find it myself.