OneDrive for Business is part of Office 365 which is run on Sharepoint online cloud service by Microsoft.
In this OneDrive has two different services, you can use both as a Office 365 user. What you are using is the personal service for OneDrive which is on the onedrive website, the other is the sharepoint online for teams which is used for collaborating files in different projects, teams etc...
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OneDrive for Business is part of Office 365 which is run on Sharepoint online cloud service by Microsoft.
In this OneDrive has two different services, you can use both as a Office 365 user. What you are using is the personal service for OneDrive which is on the onedrive website, the other is the sharepoint online for teams which is used for collaborating files in different projects, teams etc...