It is possible to delete a file from any matter by right clicking on the item. However, nothing is ever permanently deleted.
More importantly, you can restore any file that may be deleted by accident.
How to Delete and Restore a File
- Right click any document and select delete or select and use the "delete" hot key.
How to Restore a Deleted File:
- Right click under documents and select "show deleted items"
- Locate the deleted file, right click, and select "restore."