NAS vs SharePoint: Where Should Your Business Store Files?
A comparison of NAS servers and SharePoint/OneDrive for business file storage: access, security, backups, costs, and when to use a hybrid approach.
Businesses often choose between an on-premise NAS server and cloud-based SharePoint within Microsoft 365 for shared file storage. Both approaches have their place — the right choice depends on your workflow, file sizes, and remote access requirements.
TL;DR — Key Takeaways
- SharePoint is excellent for documents, collaboration, and working from anywhere.
- NAS is suitable for large files (CAD, video) and local backups.
- A combination of both is often the best solution.
- Both require a separate backup strategy.
Comparison
| NAS | SharePoint / OneDrive | |
|---|---|---|
| Remote Access | Via VPN | Anywhere, including mobile |
| Live Collaboration | No | Yes (Office documents) |
| Large Files | Excellent | Limited for very large files |
| Cost | Purchase + maintenance | Part of M365 license |
| Security | Depends on configuration | MFA, conditional access, auditing |
| Ransomware | Vulnerable without separate copy | Version history and bin, but backup still recommended |
When to Combine Both
An office with architects or video production will store large project files on a NAS, while keeping quotes, contracts, and office documents in SharePoint. A NAS can also serve as a local backup following the 3-2-1 rule.
SharePoint in PracticeOrganized documentation and teamwork.Frequently Asked Questions
- Is SharePoint secure for confidential documents?
- Yes, with properly configured permissions, MFA, and sensitivity labels.
- Does a NAS need a backup?
- Yes. A NAS by itself is not a backup, especially in the event of ransomware.
- How long does a SharePoint migration take?
- For smaller companies, it usually takes a few days, including structure preparation and permissions setup.
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