??nh d?ng pptx l? ??nh d?ng t?p ???c s? d?ng ?? l?u tr? b?n tr?nh b?y v? ???c li?n k?t v?i Microsoft PowerPoint, m?t ph?n m?m tr?nh b?y ???c s? d?ng r?ng r?i c? trong b? Microsoft Office. *.pptx l? ??nh d?ng m?c ??nh cho b?n tr?nh b?y PowerPoint k? t? PowerPoint 2007. PPTX d?a tr?n XML, ti?u chu?n m?, h? tr? c?c m?u, slide master, nh?ng ph??ng ti?n, chuy?n ti?p v? ho?t ?nh, ch? ?? xem di?n gi?, ???c b?o v? b?ng m?t kh?u.
PDF, vi?t t?t c?a Portable Document Format, l? ??nh d?ng t?p ???c Adobe Systems t?o ra v?o ??u nh?ng n?m 1990. ??y l? ??nh d?ng t?p linh ho?t v? ???c s? d?ng r?ng r?i d?nh cho t?i li?u, ???c thi?t k? ?? tr?nh b?y v? trao ??i t?i li?u m?t c?ch ??ng tin c?y, b?t k? ph?n m?m, ph?n c?ng ho?c h? ?i?u h?nh ???c c? ng??i t?o v? ng??i nh?n s? d?ng. N? c? t?nh n?ng ??c l?p v?i n?n t?ng, ??nh d?ng nh?t qu?n, b?o m?t, c?c y?u t? t??ng t?c, n?n, ch? th?ch v? nh?n x?t, ch? k? s?, kh? n?ng truy c?p, kh? n?ng in, ??nh d?ng l?u tr?.
?ng d?ng web c? th? chuy?n ??i Office PowerPoint 1.0/4.0/95/97/2007' S ??nh d?ng ppt/pptx/pot/potx/ppsx/potm/dpt sang pdf tr?c tuy?n.
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