Excel 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.
Amafayela e-Excel, ngamafomethi e-XLS ne-XLSX, angamadokhumenti esipredishithi adalwe yi- Excel. Lawa mafayela asetshenziswa kabanzi ukuhlela, ukuhlaziya, nokwethula idatha. I-Excel ihlinzeka ngezici ezinamandla zokukhohlisa idatha, izibalo zefomula, nokudalwa kweshadi, okuyenza ibe ithuluzi eliguquguqukayo lebhizinisi nokuhlaziya idatha.