A Microsoft file hosting and synchronization service.
Hi @Ian Abrahams,
If your goal is to add a OneDrive for Business account to your iPhone where OneDrive Personal is already installed, you can try the following steps:
- Open the OneDrive app.
- Tap your profile picture or the icon.
- Tap Add account
- Sign in with the account details you want to add.
Once added, you can easily switch between your personal OneDrive account and your OneDrive for work or school account, or even between multiple work or school accounts. To do this, simply tap your profile picture or the account icon, then select the account you want to use.
Note: You cannot sign in with multiple work or school accounts from the same organization.
For your reference: How to add an account in OneDrive - Microsoft Support
If you have any updates or additional questions, please don’t hesitate to leave a comment directly under this post. This will allow me to monitor your case more easily and provide timely assistance whenever needed. Thank you so much for your patience, and I truly hope this answer is helpful to you.
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