A Microsoft file hosting and synchronization service.
According to your description, it is recommended to use SharePoint Migration Tool to migrate files from Home Drives to OneDrive for Business.
Please note, to migrate at the organization-level, you must sign in as a Global or SharePoint admin in Microsoft 365.
And here is a similar thread "Migrating home folders to OneDrive for Business", you may have a look.
Besides, due to we focuse more on general issue about OneDrive client, if you have any issues about SharePoint Migration Tool later, to better help you, you could post a new thread with "office-sharepoint-online" tag in Q&A.
Hope the information could be helpful to you.
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