One Drive - Sync to local PC or Laptop
Log in to Office.com using your email address and Office 365 password.
Once logged in click on the 9 dots in the top left hand corner to bring up the menu of applications.
Select OneDrive.
This will take you through to the list of folders and files you have currently in your OneDrive.
Click on the Sync button. It will bring up another screen that you need to agree to. It will then state it is creating a local copy for you on to your PC.
When you next open your File Explorer, you will see that it has added an additional folder named OneDrive - Corporate Travel Management.