If you aren't sure which work account to use with Microsoft StaffHub, follow these steps using the StaffHub mobile app:
Open the app, and tap I have a work account.
Tap Forgot your work account?
Enter the mobile phone number that's associated with your account to request a validation code, and tap Next.
Enter the validation code you received, and tap Next.
Note: If you're having problems entering the validation code, tap Call me instead.
On your company's sign-in page, enter your password. Your work account name is filled in for you.
Note: If your company hasn't turned on self-serve account recovery, ask your IT administrator for the account information.