backup view data on pc CWM

[Android Central Question]

My cell phone crash on the home screen I did beckup with CWM and I want to see this beckup data on the pc because it installs the data on the cell phone, the pc already tried as many say rename the data.ext4.tar.a to date. ext4.tar and open with the rip or Cygwin but says that ñ to nothing in the file, there in another forum the guy I speak to see if it is file (.tar) even then I went in Cygwin and it says that it is data file,
so people pfvr help me there how to open this has data that ñ I can lose

already tried to open helping the date tb of the same thing

files in beckup are:

boot.img
cache.ext4.tar
cache.ext4.tar.a
data.ext4.tar
data.ext4.tar.a
data.ext4.tar.b
data.ext4.tar.c
data.ext4.tar.d
nandroid.md5
recovery.img
recovery.log
system.ext4.tar
system.ext4.tar.a
system.ext4.tar.b