Best Microsoft 365 Backup for Small Business in 2026

Microsoft 365 may hold a small business's most important email, shared files and collaboration data. The best backup choice depends on whether you want simple per-user pricing, Microsoft's native recovery platform, advanced data-resilience controls or an MSP-managed security stack.

Quick picks

Our recommendation

Start with IDrive if cost clarity is the first constraint. IDrive currently lists Microsoft Office 365 Backup at $20 per seat per year with unlimited storage. Its current materials list protection for OneDrive, Outlook/Exchange, SharePoint and Teams, making it unusually easy for a five- or ten-person business to estimate annual cost.

Start with Microsoft 365 Backup if you want the native Microsoft route. Microsoft currently prices its native backup service at $0.15 per GB per month of protected content. It protects Exchange mailboxes, OneDrive accounts and SharePoint sites and is billed on consumption rather than a separate per-user backup license.

Move to Veeam or Acronis when the problem is bigger than inexpensive SaaS backup. Veeam emphasizes granular recovery, retention controls, unlimited storage and Entra ID options. Acronis is especially relevant when a managed service provider is combining Microsoft 365 protection with endpoint security, RMM, archiving or other managed services.

Microsoft 365 backup pricing compared

Pricing is where these products differ most. IDrive uses a straightforward seat model. Microsoft uses protected-data consumption. Veeam is sold per Microsoft 365 user with plan and channel pricing that can vary, while Acronis pricing depends heavily on the business-versus-service-provider model and the protection package being used.

1. IDrive Microsoft Office 365 Backup — best value starting point

IDrive is the simplest commercial option in this group to budget. Current IDrive pricing lists Microsoft Office 365 Backup at $20 per seat per year with unlimited storage, with a seven-day free trial. IDrive says the service protects OneDrive, Outlook, Exchange, SharePoint and Teams data.

IDrive also documents automated Microsoft 365 backups and centralized web-based recovery. That makes it a practical fit for a small company that does not want to calculate storage consumption every month.

Best fit: small and midsize teams that want a straightforward SaaS backup bill and do not need Microsoft-native or enterprise-style backup administration.

Watch for: make sure the restore behavior you care about is supported for the specific Teams, SharePoint or mailbox data type you use. Microsoft 365 backup products frequently differ more in restore granularity than in whether they can claim to “back up Teams.”

Check IDrive Microsoft 365 backup pricing

2. Microsoft 365 Backup — best native Microsoft option

Microsoft 365 Backup is a standalone pay-as-you-go service rather than a traditional per-user backup license. Microsoft currently lists the service at $0.15 per GB per month of protected content, with restores included without a separate restore charge.

The native service protects Exchange mailboxes, OneDrive accounts and SharePoint sites. Microsoft also publishes aggressive recovery and restore-point objectives, including frequent Exchange restore points and high-speed restore capabilities for large recovery events.

Best fit: organizations that want Microsoft-native protection, already operate comfortably with Microsoft 365 administration and Azure-linked pay-as-you-go billing, and can model cost based on protected data volume.

Watch for: usage-based pricing can be less intuitive than per-seat pricing for a small business. Microsoft 365 Backup setup also requires pay-as-you-go billing backed by an Azure subscription.

Review Microsoft 365 Backup

3. Veeam Data Cloud for Microsoft 365 — best for deeper data resilience

Veeam Data Cloud for Microsoft 365 is an all-inclusive SaaS backup service covering Exchange, SharePoint, OneDrive and Teams. Veeam currently advertises unlimited backup storage, customizable retention, granular recovery and 24/7 production support. Higher plans can add Entra ID protection and additional resilience capabilities.

Best fit: businesses with an IT administrator or service provider that wants more explicit control over retention, recovery and identity resilience than a basic small-business backup service provides.

Watch for: Veeam's published pricing page notes that some displayed Foundation pricing reflects volume discounts for 251+ users and that regional/reseller prices vary. A five- or ten-user business should verify its actual price instead of multiplying an enterprise volume figure.

See Veeam Data Cloud for Microsoft 365

4. Acronis — best for MSP-managed cyber protection

Acronis is strongest when Microsoft 365 backup is only one part of a larger managed-security relationship. Current Acronis Cyber Protect Cloud materials describe cloud-to-cloud Microsoft 365 protection for Exchange, OneDrive, SharePoint and Teams, while the broader platform can combine backup with security, management and operations services.

Acronis also offers Microsoft 365 protection models with unlimited Microsoft 365 storage in current service-provider packaging. Its strength is breadth rather than being the simplest direct-purchase backup product for a tiny office.

Best fit: businesses buying backup through an MSP or organizations that want Microsoft 365 data protection combined with endpoint security, RMM, email security, archiving or broader cyber-protection tooling.

Watch for: pricing and packaging are more complex than a simple per-seat product and may depend on the partner, service bundle and licensing model.

Explore Acronis Microsoft 365 backup

Do you actually need a separate Microsoft 365 backup?

Microsoft 365 already includes availability, retention and recovery features, but those features should not be treated as automatically equivalent to an independent backup strategy. The practical question is whether your business can recover the right mailbox, file, site or collaboration data to the right point in time after accidental deletion, malicious activity, administrative mistakes or a wider incident.

Start by documenting which Microsoft 365 workloads are business-critical and how long you can tolerate losing access to them. Then test the restore process before selecting a product solely on the words “Microsoft 365 backup.” Our small-business backup strategy explains how to define those recovery requirements.

What should a small business protect?

At minimum, evaluate Exchange/Outlook mail, OneDrive files, SharePoint sites and Teams-related data. If Microsoft Entra ID holds critical user, group, role or access configuration, identity backup deserves its own evaluation as well. File recovery and identity recovery are related but different problems.

Five-person business example

For a five-user Microsoft 365 tenant, IDrive's published $20/seat/year price produces a simple $100/year starting calculation for Microsoft 365 backup. Microsoft 365 Backup instead depends on how many gigabytes of protected Exchange, OneDrive and SharePoint data the business has. That difference is why seat count alone cannot identify the cheapest native option.

If the same five-person company buys IT through an MSP, Acronis or Veeam may make more sense despite a less obvious sticker price because administration, security monitoring or broader recovery responsibilities may be bundled into the service.

Questions to ask before buying

• Exactly which Exchange, OneDrive, SharePoint and Teams objects can be backed up and restored?
• How frequently are restore points created?
• How long can backups be retained, and can retention be customized?
• Can administrators perform granular item-level restores?
• What happens when a Microsoft 365 user is deleted or de-licensed?
• Does the service protect Microsoft Entra ID, or is identity backup a separate product?
• Is backup storage included, unlimited, or consumption-based?
• Can you export or recover data if the Microsoft 365 tenant itself has an access problem?

Bottom line

IDrive is our first comparison for a price-sensitive small business. Its current $20/seat/year price and unlimited storage are simple to understand. Microsoft 365 Backup is the logical native alternative when Microsoft-operated recovery and consumption pricing are more attractive. Veeam and Acronis deserve closer attention as recovery, identity resilience, managed security or IT-service requirements become more sophisticated.

FAQ

Does Microsoft 365 include backup?

Microsoft provides service resilience and retention features, and it also sells Microsoft 365 Backup as a separate pay-as-you-go backup service. If your recovery requirements go beyond built-in retention, compare the native backup service with third-party products.

What is the best Microsoft 365 backup for a small business?

IDrive is a strong first comparison for small teams because its pricing is unusually simple. Microsoft 365 Backup is the natural native option; Veeam and Acronis become more compelling when advanced recovery, identity resilience or managed services matter.

Does Backblaze Business Backup protect Microsoft 365?

Backblaze Business Backup is designed around Windows and Mac computer backup. Do not assume workstation backup protects cloud-hosted Microsoft 365 tenant data such as Exchange Online, SharePoint or Teams. Use a product specifically designed for Microsoft 365 SaaS backup.

Sources and current product information

• Microsoft — Microsoft 365 Backup
• Microsoft Learn — Microsoft 365 Backup overview
• IDrive — Microsoft Office 365 Backup
• IDrive 360 — pricing
• Veeam — Data Cloud for Microsoft 365
• Veeam — purchasing options
• Acronis — Microsoft 365 backup
• Acronis — Cyber Protect Cloud pricing and licensing

Product and pricing information checked August 29, 2026.