Sometimes you need to get rid of old files. With WebMail, it's easy. To delete a file in Drive:
1. Click the drop-down arrow at the top left of your navigation location next to the word "Mail".
2. Select the Drive tab.
3. Place a check mark next to the item(s) you want to delete.
4. Click on the Delete link in the navigation bar. You will receive a message that asks, Are you sure you want to delete the file(s)?
5. Click OK. Your item will appear in the Drive Trash.
Note: Simply clicking the Delete button in the Drive interface will delete the selected file permanently.