There is an option in the OneDrive settings to only download files as you need them. Although you wouldnt truly be syncing with OneDrive if you enable that option. https://support.microsoft.com/en-us/office/save-disk-space-with-onedrive-files-on-demand-for-windows-10-0e6860d3-d9f3-4971-b321-7092438fb38e?ui=en-us&rs=en-us&ad=us
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