Deleting this folder is not undoable and will delete all of the messages it contains, and its sub-folders. Are you sure you still want to delete the folder '%S'?
Nid yw dileu'r ffolder hwn yn annileadwy a bydd yn dileu'r holl negeseuon sydd o'i fewn a'r is-ffolderi. Ydych chi'n siŵr eich bod am ddileu ffolder '%S'?