Microsoft 365 Copilot vs Box
A detailed comparison to help you choose between Microsoft 365 Copilot and Box.
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Verdict: Box wins
Box scores 4.2/5, edging out Microsoft 365 Copilot at 4.0/5. Regulated mid-market and enterprise teams that need governed, auditable content sharing with e-signatures and can name the compliance regime they work under.
Microsoft 365 Copilot AI built into Word, Excel, PowerPoint, Teams | Box AI-powered cloud storage with content intelligence | |
|---|---|---|
| Rating | 4.0 (1 review) | 4.2 (1 review) |
| Pricing Model | paid | freemium |
| Starting Price | From $30/mo | Free tier available |
| Best For | Organisations already standardised on Microsoft 365 whose staff live in Outlook, Teams and Excel, and who will license by role after a measured pilot. | Regulated mid-market and enterprise teams that need governed, auditable content sharing with e-signatures and can name the compliance regime they work under. |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | team featuressso | api accessfree tierteam featuresssogdpr compliant |
| Visit Microsoft 365 Copilot → | Visit Box → |
Microsoft 365 Copilot
Pros
- + Grounding in tenant data produced genuinely accurate meeting recaps and thread summaries in my tests
- + Excel analysis generated working formulas and clear narratives on real sales data in one pass
- + Copilot Chat is included at no extra cost for eligible Microsoft 365 users, so basic access is effectively free
- + Copilot Studio's Chat and Standard harness is included for licensed users building internal agents
- + Enterprise data protection, compliance controls and adoption analytics are built in
Cons
- - $30/user/month add-on requires a qualifying Microsoft 365 licence, so cost stacks on top of existing subscriptions
- - New usage-based billing for advanced AI features makes the subscription price a floor rather than a ceiling
- - Retrieval surfaced a stale lookalike file instead of the current document in my testing — tenant hygiene decides quality
- - Drafts still assert claims not present in source material and always need review
- - $18 promotional Copilot Business price is first-year only and reverts to $21, and Business plans cap at 300 users
Box
Pros
- + Permission granularity and activity tracking held up exactly as configured in my folder-tree test — watermarking and role-based sharing need no third-party DLP tool
- + Unlimited storage from the Business tier ($15/user/month annually) removes storage planning from the conversation entirely
- + Native e-signatures bundled at every tier make Box one of the cheapest routes to e-sign capability per PCMag's comparison
- + 1,500+ integrations, an MCP server for third-party AI agents, and 50K-200K API calls per month by tier make it a real platform, not just storage
- + Compliance ladder (SOC 1/2/3 from Business, HIPAA and FedRAMP from Enterprise) matches what regulated buyers must prove
Cons
- - External collaborators are paid accounts on the Business tier — partner-heavy teams must model that cost or pay the $120/user/year Business Plus premium
- - 3-user minimum on every business plan excludes one- and two-person teams entirely
- - Box AI is metered as its own budget line (AI Units + separate API call limits); org-wide AI use needs a forecast you have to negotiate
- - Prepaid and generally non-refundable terms, annual commitment for the year, and a 14-day trial that auto-charges a card at the end
- - No serious native authoring — docs, sheets, and slides live in the Microsoft 365 or Google Workspace integrations, so a chunk of value duplicates suites teams already pay for
Frequently Asked Questions
Which is better, Microsoft 365 Copilot or Box?▼
Box scores higher at 4.2/5 vs 4.0/5 for Microsoft 365 Copilot, making it the better-rated option in our comparison.
What is the difference between Microsoft 365 Copilot and Box?▼
Microsoft 365 Copilot: AI assistant integrated throughout Microsoft 365 — drafts in Word, analyzes in Excel, designs in PowerPoint, summarizes in Teams. Box: Box is cloud content management for businesses, covering secure file storage, sharing, workflow and governance, with AI over stored documents.
Is Microsoft 365 Copilot or Box more affordable?▼
Microsoft 365 Copilot starts at €30/mo, Box starts at €0/mo. Check the comparison table above for current pricing.
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