How to add an account in OneDrive - Microsoft Support
Select Add an account. Note: You can only have one personal account. To add another account to OneDrive on your mobile device. If you already have a personal OneDrive account set up, you can only add work or school accounts. Tap Me then Settings. Tap Add account.
适用于:
OneDrive (工作或学校), OneDrive (家庭或个人), OneDrive for Mac, Windows 版 OneDrive