I don't know how your client works, but reading metadata (e.g. requesting size) ...

		bayindirh 15 days ago \| parent \| context \| favorite \| on: Backblaze has stopped backing up OneDrive and Drop... I don't know how your client works, but reading metadata (e.g. requesting size) off any file causes some cloud clients to download it completely. Of course I'm not modifying 4TB on a cloud drive, every day.

Can you name such a client? That sounds like a terrible experience.