STEP 1
On the desktop, click the "This PC" icon (typically found near the recycle bin).
Alternatively, you can find "This PC" by clicking on the File Explorer icon 
OR by...
Clicking the Start Button at the lower left-hand side of your screen. Then, select "This PC".
STEP 2
Select your C: drive from the selection menu.
STEP 3
Select the Users folder.
STEP 4
Find the folder with your ID Number on it and double click to open the folder.
STEP 5
Highlight all the folders > Right click on your selection > Select the Copy Option
STEP 6
Now that you have your files copied, you will need to put them in your U: drive.
You will find your U: drive on the left Navigation pane. Double click on the drive to open it.
STEP 7
To move your copied files, Right Click in the empty space of your drive and select Paste from the Pop-up menu.
STEP 8
You have now backed up your files to the U: drive. You may want to make sure you did not miss anything and verify that your desired files are in the newly created folder.