The Archiver plugin enhances task management in Obsidian by providing powerful tools for archiving and organizing completed tasks. It allows users to move completed tasks to a designated archive, either in the same file or in separate files, with options for filtering tasks and automating the archiving process. The plugin supports complex task hierarchies, customizable metadata, and task templates. Users can also define rules and placeholders for streamlined workflows, while the plugin offers flexible options for managing headings, lists, and task statuses. With the ability to automatically archive tasks or sort them based on their completion, the Archiver plugin simplifies task management, making it easy to keep your notes and tasks organized.