TXT amafayela
I-PDF (Portable Document Format), ifomethi edalwe i-Adobe, iqinisekisa ukubukwa kwendawo yonke ngombhalo, izithombe, nokufometha. Ukuphatheka kwayo, izici zokuphepha, nokuthembeka kokuphrinta kuyenza ibaluleke kakhulu emisebenzini yamadokhumenti, ngaphandle kobunikazi bomdali wayo.
I-TXT (Plain Text) iyifomethi yefayela elula equkethe umbhalo ongafomethiwe. Amafayela e-TXT avame ukusetshenziselwa ukugcina kanye nokushintshisana ngolwazi oluyisisekelo lombhalo. Azisindi, zifundeka kalula, futhi ziyahambisana nabahleli bombhalo abahlukahlukene.