# Subtasks

Source: [https://docs.virtosoftware.com/docs/kanban-board-on-premises/working-with-a-kanban-board/subtasks/](https://docs.virtosoftware.com/docs/kanban-board-on-premises/working-with-a-kanban-board/subtasks/)
Product: Kanban Board On-Premises
Updated: 2026-08-12

## Pages
- [Adding a subtask](https://docs.virtosoftware.com/docs/kanban-board-on-premises/working-with-a-kanban-board/subtasks/adding-a-subtask/index.md) — Add a subtask from the parent card with the Add subtask button, breaking the work into separate steps.
- [Edit subtasks in a tab](https://docs.virtosoftware.com/docs/kanban-board-on-premises/working-with-a-kanban-board/subtasks/edit-subtasks-in-a-tab/index.md) — Edit subtasks without leaving the parent card by switching to the Subtasks tab.
- [Parent ID field](https://docs.virtosoftware.com/docs/kanban-board-on-premises/working-with-a-kanban-board/subtasks/parent-id-field/index.md) — Every task list carries a Parent ID field by default; any other lookup field can take that role.
- [Sorting subtasks](https://docs.virtosoftware.com/docs/kanban-board-on-premises/working-with-a-kanban-board/subtasks/sorting-subtasks/index.md) — Sort the list in the Subtasks tab by ID, by status or by due date to find the step you need.
- [Subtask counter](https://docs.virtosoftware.com/docs/kanban-board-on-premises/working-with-a-kanban-board/subtasks/subtask-counter/index.md) — The counter on a parent card shows how many subtasks it has and how many are done.
- [Subtask view mode](https://docs.virtosoftware.com/docs/kanban-board-on-premises/working-with-a-kanban-board/subtasks/subtask-view-mode/index.md) — Subtasks view mode groups subtasks under their parents across the whole board.
- [Subtasks on a kanban board](https://docs.virtosoftware.com/docs/kanban-board-on-premises/working-with-a-kanban-board/subtasks/subtasks-on-a-kanban-board/index.md) — Show or hide subtasks on the board with one icon, so the columns hold parent tasks only when you need that.