OneDrive, SharePoint, or Teams — Where Should Your Files Live?
Microsoft 365 provides three places to store files and almost no guidance on which to use. The practical rule: OneDrive is your personal work drive for files only you need, SharePoint is the shared filing cabinet for anything the whole team or company needs long-term, and Teams is your active project workspace — which stores its files in SharePoint anyway. This post also covers a 2026 storage change (new OneDrive accounts capped at 150 GB) and explains why Microsoft 365 files are not automatically backed up the way most users assume.