There are a few ways to clean Tes5edit. The easiest way is to use the “Clean” button on the toolbar. This will clean all of the data and remove any temporary files that were created while Tes5edit was running. If you want to clean more permanently, you can use the “Clean All” button on the toolbar. This will clean all of the data and remove any temporary files that were created while Tes5edit was running, as well as any files that have been changed since it was last run.