At times, the OneDrive app may have issues syncing and one of the possible fixes for this is signing out of the account and then signing back in. Below is a step by step guide of how to do this:
- Open the app and select your account icon
- Click the settings tab
- Select the account you wish to sign out of.
- Click the sign out button.
- After this point you may get prompted to sign in again in which case you sign in using the credentials of the account you wish to link.