# Manage project files

File management brings together your own and accessible project files. Open **Attach files** in the icon rail or **Account → My files**.

```{include} ../_includes/ui-files.md
```

## Find files

**Search files** filters by filename. The project selector narrows the list. Beside it, you can sort by date, name or size. **Refresh** reloads the current state; the list also updates automatically while files are processing.

## Actions for each file

| Action | Purpose |
| --- | --- |
| **Download** | Opens the original file for download. |
| **Use project in chat** | For documents, activates the associated project as a knowledge source. |
| **Analyse image** | Attaches an image to the next image question. |
| **Index image description** | Makes a description or OCR text available to project search. |
| **Cancel processing / Retry** | Stops a job or restarts it after an error. |
| **Delete file** | Removes the file and its knowledge excerpts from the project. |

Available actions depend on file type, processing status and your permissions. An image can be attached before a description has been indexed for knowledge search.

## Edit or delete a project

Open **Chat history → Projects** and select **Manage project** using the three dots on a project you own. Change the name or description there, or select **Delete project**.

Deleting a project also removes its files and knowledge excerpts. To simply stop using it in a chat, deselect it instead.

## Assigned knowledge collections

You can use assigned projects without being allowed to manage them. Responsible staff maintain these collections through the **Arcana Manager**. This administration link appears in the account menu only for authorised accounts. If an assignment or correction is missing, contact the responsible person or use the [contact page](../contact.md).

[Next: Share a chat](../sharing-collaboration/share-a-chat.md)