Extended Capacity was a feature to assist Windows XP users in managing disks over 3TB in size. As Microsoft ended support for Windows XP earlier in 2014, Acronis has also removed support for this specific feature in Acronis True Image 2015. Also, most users use newer OSs that have this support, thus making it redundant. Acronis strives to provide the widest range of operating system support possible, and does support Windows XP (Service Pack 3) and later operating systems for our core product functionality, however we cannot provide support for all features when an operating system is discontinued.

See also Acronis True Image 2015: Discontinued Features.