> ## Documentation Index
> Fetch the complete documentation index at: https://docs.optima.onl/llms.txt
> Use this file to discover all available pages before exploring further.

# Workspace

> Manage your files and data

# Workspace

Workspace is your file storage and management center, supporting upload, preview, and file referencing in conversations.

## File Upload

### Drag and Drop

Simply drag files into the workspace area to upload.

### Click to Upload

Click the "Upload File" button and select local files to upload.

### Bulk Upload

Select multiple files at once for bulk upload.

<Tip>
  Maximum file size is 50MB per file.
</Tip>

## Supported File Formats

| Type      | Formats                          |
| --------- | -------------------------------- |
| Images    | JPG, PNG, WebP, GIF              |
| Documents | PDF, Word (.docx), Excel (.xlsx) |
| Code      | JS, TS, Python, JSON, HTML, CSS  |
| Text      | TXT, Markdown, CSV               |
| Video     | MP4, WebM                        |

## File Preview

Click a file to preview its content:

* **Images**: Zoom, fullscreen view
* **PDF**: Page navigation, zoom
* **Excel**: Table display, multi-sheet switching
* **Code**: Syntax highlighting
* **Video**: Online playback

## File Operations

### Rename

Right-click the file and select "Rename".

### Move

Drag the file to the target folder.

### Delete

Right-click the file and select "Delete".

<Warning>
  Delete operations cannot be undone. Please proceed carefully.
</Warning>

### Download

Right-click the file and select "Download" to save locally.

## Folder Management

### Create Folder

Click the "New Folder" button and enter the folder name.

### Folder Structure

Organize files by purpose:

```
Workspace/
├── Product Images/
│   ├── Product-A/
│   └── Product-B/
├── Order Data/
│   ├── 2024-01/
│   └── 2024-02/
└── Reports/
    ├── sales-report.xlsx
    └── inventory-report.xlsx
```

## Reference in Chat

### @ Mention

Type `@` in the chat input to select a file to reference:

```
@product-list.xlsx Help me bulk list these products
```

### Reference Multiple Files

Reference multiple files at once:

```
@product-images/product-a.jpg @product-description.txt Create a product with this info
```

## Virtual File Tree

When file count exceeds 100, the system automatically enables virtual file tree for smooth browsing of large file collections.

## Storage Space

* **Free Plan**: 1GB storage
* **Pro Plan**: 10GB storage
* **Enterprise**: Unlimited storage

Check current usage: Click the storage icon in the top right corner of the workspace.