Offline files are stored in [systemdrive]:windows\CSC folder. If OS is installed in C: drive then the cache location is C:\Windows\CSC.
If you want to change the cache location to a different drive or any other folder on C: then read this post – How to change offline files location on Windows 7.
How do I find all of my files and how do I access them where are they at could you help me
I would like to find all of my files and I don’t know how to find them where do I look at