Backblaze vs OneDrive: Which One Should You Use in 2026?

Backblaze and OneDrive solve different problems — full-computer backup vs. file sync and collaboration. Here's how they compare on price, features, and who each one is actually for.

Updated 2026-10 · 2026

Backblaze

Unlimited backup for your computer, no limits on file size or type.

$9/monthper computer

Strengths

+Truly unlimited storage per computer for a flat fee
+No file size or file type restrictions
+Automatically backs up connected external drives

Weaknesses

-No real-time file sync between devices
-Not a collaboration tool — no shared editing or commenting
-Restoring large amounts of data can be slow or require a paid USB/HDD shipment

Best for

Individuals and small teams who need cheap, unlimited backup of a computer's local files as insurance against hardware failure or ransomware.

OneDrive

Microsoft's cloud storage and sync service for files, docs, and teams.

$1.99/month (100GB); $6.99/month (1TB, Microsoft 365 Personal)per user

Strengths

+Real-time sync across Windows, Mac, mobile, and web
+Deep integration with Word, Excel, PowerPoint, and Teams
+Built-in file sharing, co-authoring, and version history

Weaknesses

-Storage is capped per plan — unlimited isn't an option
-Not a full-disk backup tool; only syncs selected folders
-Cost rises quickly per user as you add storage or Microsoft 365 licenses

Best for

Teams already using Microsoft 365 who need file sync, sharing, and collaboration on top of storage.

Feature Comparison

Feature	Backblaze	OneDrive
Full computer/disk backup	Yes, automatic	No, folder sync only
Real-time file sync across devices	No	Yes
Storage limit	Unlimited per computer	Capped by plan (100GB–6TB)
Pricing model	Flat fee per computer	Per user, tiered by storage
File versioning	30 days (extendable)	Up to 500 versions per file
Ransomware recovery	Restore from backup snapshot	Built-in ransomware detection + rollback
Collaboration / co-authoring	No	Yes, with Office apps
External drive backup	Yes, included	No
Mobile app	View/restore only	Full sync, upload, and edit
Restore options	ZIP download or mailed USB/HDD (fee)	Instant download or sync
Developer/API access	Yes, via Backblaze B2 (S3-compatible)	Yes, via Microsoft Graph API
Team/shared workspace	No	Yes, via SharePoint/Teams

The Verdict

These two aren't really competing for the same job — Backblaze is disaster-recovery insurance for a single machine, OneDrive is a sync-and-collaborate layer for teams already in the Microsoft ecosystem. If you just need a cheap safety net in case a laptop dies, Backblaze's unlimited flat fee wins easily. If you need to share, co-edit, and access files across devices and people, OneDrive is the better fit — just don't expect it to replace a real backup strategy.

How to switch from Backblaze to OneDrive

1In Backblaze, go to My Account > Restore Files and build a ZIP archive of your backed-up files, or order a mailed USB flash drive/hard drive restore if your backup is too large to download (the fee is refunded on return).
2Download and extract the ZIP (or receive the physical drive), then verify file counts and folder structure against your original setup.
3Install the OneDrive desktop app, sign in with your Microsoft account, and copy or drag the restored files into your local OneDrive sync folder to start the upload.
4Choose a Microsoft 365 or OneDrive plan with enough storage for your team (e.g., 1TB per user via Microsoft 365 Personal/Business) before migrating everyone's files.
5Since OneDrive doesn't do full-disk backup, set up a separate backup method (File History, Time Machine, or another backup tool) for anything you relied on Backblaze to protect automatically.
6Once all files are confirmed synced and accessible in OneDrive, cancel your Backblaze subscription and notify your team of the new file locations and sharing links.

Backblaze vs OneDrive: common questions

How do I get my files out of Backblaze and into OneDrive?+

Log into your Backblaze account and use the 'Restore Files' feature to build a ZIP archive of everything you've backed up, downloadable in chunks via your browser. For very large backups, you can instead pay for a USB flash drive or hard drive shipment (the fee is refunded if you return the drive within 30 days). Once you have the files locally, drag them into your OneDrive sync folder to upload.

What do I lose by switching from Backblaze to OneDrive?+

You lose unlimited storage for a flat fee and automatic full-disk backup — OneDrive only syncs folders you explicitly place in it, not your entire system. You also lose Backblaze's 'backup everything by default' simplicity, meaning you'll need to manually decide what goes into OneDrive and set up a separate backup tool if full-disk protection matters to you.

Is OneDrive's free tier enough for a small team?+

No — the free tier is only 5GB, which fills up fast with a handful of documents and photos. A small team realistically needs Microsoft 365 Business plans (starting around $6/user/month) for enough storage, shared libraries, and admin controls.

Does OneDrive integrate with the tools we already use?+

Yes, OneDrive integrates tightly with Word, Excel, PowerPoint, Teams, and SharePoint, and has a Microsoft Graph API for custom integrations. Backblaze's integrations are more limited — B2 Cloud Storage has an S3-compatible API, but the Personal Backup product has no app ecosystem.

Will switching from Backblaze to OneDrive cost more over time?+

For a single computer's worth of backup, Backblaze's $9/month flat fee is usually cheaper than OneDrive once you need more than 1TB of synced storage. But if you're paying for multiple users, Microsoft 365 bundles (Office apps + storage + Teams) often work out cheaper per person than stacking separate tools.