You can change the name and description of a file or folder.
Click Files in the side panel. (If Files is not shown, see Customize the Side Panel for details on how to add it.)
1. Open the file or folder you want to edit.
or
In the Files list, select the checkbox beside the file or folder you want to edit.
2. Click More in the toolbar, then click Edit File Info or Edit Folder Info.
3. Change the name and/or description of the file or folder.
4. Click Save.