# Options Dialog

Navigation: Using TreeSize > # Options Dialog |

The options dialog of TreeSize enables you to modify scan, appearance, and startup settings of the application as well as customize any supported export format (Text, Excel, etc).

These are the available options pages:

### Scan
| General | General settings influencing the scan behaviour of TreeSize.
| Filter | Define filtering options for TreeSize.
### View
| Display | General settings influencing the appearance of TreeSize.
| Directory Tree | Customize the appearance of the Directory Tree of TreeSize.
| File Groups | Define which file extensions will be grouped together in the Extensions view of TreeSize.
| Age of Files | Configure the intervals used to generate the charts of the Age of Files view.
| Charts | Configure the amount of information that is shown in the chart related views of TreeSize and the way that they are displayed.
| Top Files | Configure any options that apply to the Top files view, like the number of files to include.
### Export
| Printer | Configure printer settings for TreeSize.
| PDF | Configure the PDF file report of TreeSize.
| Excel | Configure the Microsoft Excel file report of TreeSize.
| HTML | Configure the HTML file report of TreeSize.
| CSV | Configure the CSV (comma-separated-values) file report of TreeSize.
| XML | Configure the XML file report of TreeSize.
| Text | Configure the plain text file report of TreeSize.
| Email | Configure email settings for TreeSize.
### System
| Start | Modify startup settings for TreeSize.
| Context Menu | Configure the Windows Explorer context menu integration of TreeSize.