Acronis true image 6.0 User Manual

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2.3 Compression 
Level 
In the next Compression level window you’ll need to select a data 
compression level of a partition image. A compression level can be selected 
by moving the slider. If you select zero compression, files will be obviously 
moved to an archive file without any compression, which is inefficient. On 
the other hand the work speed might drop and image creation time might 
increase, if you select the maximal compression. Certainly, the optimal 
compression level depends on the type of files, stored on a disk/partition, 
and can only be determined empirically. 
 
Image’s data compression level 
Acronis TrueImage 
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