# Categories

Categories are an essential way to organize your transactions in Lunch Money. Every transaction can have at most one category and uncategorized transactions are highly discouraged!

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### Category Properties

* [Treat as income](https://support.lunchmoney.app/setup/category-properties#treat-as-income)
* [Exclude from budget](https://support.lunchmoney.app/setup/category-properties#exclude-from-budget)
* [Exclude from totals](https://support.lunchmoney.app/setup/category-properties#exclude-from-totals)

### Creating Categories

* [Category creation](https://support.lunchmoney.app/setup/categories/category-creation)
* [Auto-categorization](https://support.lunchmoney.app/setup/categories/auto-categorization)

### Category Groups

* [What are category groups](https://support.lunchmoney.app/setup/category-groups#what-are-category-groups)
* [How to create a new category group](https://support.lunchmoney.app/setup/category-groups#how-to-create-a-new-category-group)
* [How to add categories to an existing category group](https://support.lunchmoney.app/setup/category-groups#how-to-add-categories-to-an-existing-category-group)

### Editing Categories

* [Reordering](https://support.lunchmoney.app/setup/editing-categories#reordering)
* [Archiving](https://support.lunchmoney.app/setup/editing-categories#archiving)
* [Merging](https://support.lunchmoney.app/setup/editing-categories#merging)
* [Deleting](https://support.lunchmoney.app/setup/editing-categories#deleting)

### FAQ

* [Frequently Asked Questions](https://support.lunchmoney.app/setup/faq#frequently-asked-questions)