Open the view task modal
Click “📥 Archive”
You can see the task has been archived
You can access your archived tasks from the “Archived (…)” tab in your App Home…
… or from the search
Task watchers have received a notification about the action.
Everybody in your workspace who can see a task, can also edit it - that includes being able to archive it.
Similarly to how it was archived, open the view task modal and click “📤 Undo archived”
Relevant notification has been received by the task watchers.