XLS 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-XLS (isipredishithi se- Excel) ifomethi yefayela endala esetshenziselwa ukugcina idatha yesipredishithi. Nakuba ngokuyinhloko ethathelwe indawo yi-XLSX, amafayela e-XLS asengavulwa futhi ahlelwe ku- Excel. Aqukethe idatha yethebula enamafomula, amashadi, nokufometha.