OneDrive: How to Sign Out

To remove a OneDrive account from your computer

Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)
Go to the Account tab.
Select Unlink this PC/Mac.

Note:

You won't lose files or folder by removing an account so long as your OneDrive has no sync errors. If you are unsure on if you have any sync errors, please look at the following article: https://service.scotch.wa.edu.au/support/solutions/articles/75000105893. All your files will be available from OneDrive on the web.

To remove a OneDrive account from your mobile device