Usage : fsutil file queryextents /R /R : If is a reparse point, open it rather than its target : First VCN to query (if omitted, ...

Usage : fsutil file queryextents [/R]  [ []]
   /R : If  is a reparse point, open it rather than its target
    : First VCN to query (if omitted, start at VCN 0)
    : Number of VCNs to query (if omitted or 0, query until EOF)
   Eg : fsutil file queryextents C:	emp\sample.txt