A user with an Administrator account can access files of all other users on his computer system.
Transfer files from one User Account to another
If you need to move or transfer files from one user account to another, the simplest way would be to log in with an administrator account, and cut-paste the files from one user account to the personal folders of the other user account. If you do not have access to an admin account, ask your administrator to do it. If you use our freeware Ultimate Windows Tweaker, you can easily add Move to (or Copy to) to your context menu. Then you need to simply select the files and folders you want to transfer, right-click on them, and select Move to from the context menu. Designate the folder where you want to move them.
Share files between User Accounts
Windows includes a Public folder, located at C:\Users, which is accessible to all users. If you save files in this folder, they can be shared among all the users. If you want to create and save files so that you can share them with other users, you should save them in the Public folder. If you move your existing files and folders to this Public folder, you will be able to share them with all. The Windows operating system will add the Public folder to Libraries too, where you and others will be able to access easily. There is one more thing. If you wish, you can even share this Public folder publicly among all on your local network. If you wish to do this, you will have to open Control Panel > > All Control Panel Items > Network and Sharing Center > Advanced sharing settings. You’ll find the Public folder sharing option here.
Check Turn on sharing so anyone with network access can read and write files in the Public folders.