Hi Rahamim,
- You can disable sync to ondrive https://sharepointmaven.com/how-to-disable-sync-in-sharepoint-and-onedrive/
- Office availability https://support.microsoft.com/en-us/office/limit-sync-for-a-sharepoint-site-e17bf52b-fa5d-41cf-9eb0-d3812542424e
- Block access to onedrive https://learn.microsoft.com/en-us/sharepoint/limit-access
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