From the manual:
Third-party virtual machines or
system images
n Acronis True Image Echo 9.1, 9.5, and Acronis True Image Home 10 and 11 (.tib).
n Symantec Backup Exec System Recovery (formerly LiveState Recovery) 6.5, 7.0, 8.0,
and 8.5, LiveState Recovery 3.0 and 6.0 (only .sv2i).
n Norton Ghost version 10.0, 12.0, and 14.0 (.sv2i format only).
n Parallels Desktop 2.5, 3.0, and 4.0 (.pvs and .hdd). Compressed disks are not
supported.
n Parallels Workstation 2.x (.pvs). Compressed disks are not supported. Parallels
Virtuozzo Containers are not supported.
n StorageCraft ShadowProtect Desktop, ShadowProtect Server, ShadowProtect Small
Business Server (SBS), ShadowProtect IT Edition, versions 2.0, 2.5, 3.0, 3.1, and 3.2
(.spf).
n Microsoft VHD format for the following sources:
n Microsoft Virtual PC 2004 and Microsoft Virtual PC 2007 (.vmc)
n Microsoft Virtual Server 2005 and 2005 R2 (.vmc)
there is no Acronis 9.7 at all...