Some files are always excluded in backup jobs for devices running the Windows operating system.
(There are no automatic exclusions for other operating systems.)
Default Windows excluded files include:
Axcient-specific files
/axcient
 /Axcient
Pagefile and Hybernate files
/hiberfil.sys
 /pagefile.sys
System volume information files
/System Volume Information
 /SYSTEM VOLUME INFORMATION
Recycle Bin files
/recycled
 /RECYCLED
 /RECYCLER
 /Recycle.Bin
 /RECYCLE.BIN
 /$RECYCLE.BIN
 /$Recycle.Bin
 /recycler
Client-side caching files
/Windows/csc
 /Windows/CSC
 /WINDOWS/csc
 /WINDOWS/CSC
Virtualization caching files
/.vdiskcache
