| 1. | On this toolbar the user can select which drive or path should be scanned. Press the button with the arrow on the right to start scanning. TreeSize Professional here remembers the last paths that have been used. |
| 2. | Here the user can get an overview of the currently scanned drive. This and the other toolbars can be turned off in their context menu. |
| 3. | The Chart page shows a pie or bar chart of the currently selected directory. Use the context to show a toolbar with advanced charting features. |
| 4. | The "Details" tab shows detailed information about the sub-folders and the files inside the currently selected folder. |
| 5. | The "Extensions" tab shows the size information grouped by file types. That way you will get an overview what file types take up most of the space. |
| 6. | The "Users" tab shows the size information grouped by user names. This allows you to see which users use most of the disk space. |
| 8. | The Top 100 files lists the 100 largest files in the scanned directory tree. |
| 9. | The file system tree of the scanned folder or drive gives you an immediate overview of the size of each folder. |
| 10. | The drive panel provides an overview of all local and mapped network drives. Additional network drives can be added using the context menu. Double click on a drive to start a scan in TreeSize Professional. |
| 11. | The status bar informs you about the allocated and free space of the current drive, the file system type, etc. |
12. The "History" tab shows, how scan results of a special directory branch have changed through time. This feature allows a dynamic analysis of the patterns of utilization over a longer period of time.
