Uguqulelo lugcina yonke into ekhoyo kwi-informati enokuthi imele i-DOCX ne-XLS. Iimpawu ze-XLS forma ayikwazi ukugcina (i-vector data kwi-raster output, iifomu kwi-plain-text output, iifonti ezifakelweyo kwi-image output) zi-rasterized okanye zi-stripped — iphepha leziphumo libonisa nayiphi na i-feature loss ngokucacileyo. I DOCX yi ZIP yovimba we XML iinxalenye - uxwebhu umzimba, iindidi, ubalo, ubudlelwane - kunye neefayile zosasazo ezibhekisa kuzo. XLS yi OLE ifayile edityanisweyo egcina amakhasi, ifomula, ufomati naziphi na ii VBA macros njengemijelo ebini.