I've followed the instructions, but the archive option simply isn't there. The only option is "move to trash".
Welcome to the community
Standard plan doesn't have archive option to archive the projects
You will need to be in Premium plan in order to archive the projects
What you can do is associate the project with empty permission scheme and only jira administrators group in browse project permission so that access will be taken out for all the uses
Let me know if you have any queries
Making a Project "Read-only" is the option which I specified
Please find the reference
Hello Atlassian Community! Feedback from customers like you has helped us shape and improve Jira Software. As Head of Product, Jira Software, I wanted to take this opportunity to share an update on...