Compare Microsoft 365 vs. Proton Drive

Microsoft 365 is a comprehensive productivity suite that brings together essential tools like Word, Excel, PowerPoint, Outlook, and Teams in a unified cloud-based environment. Enhanced by Microsoft 365 Copilot, the platform integrates AI directly into these applications to help users work more efficiently and intelligently. Users can quickly generate documents, analyze complex datasets, and design presentations with the help of AI-driven suggestions and automation. The platform supports real-time collaboration, allowing teams to work together on files, share updates, and communicate seamlessly. With OneDrive cloud storage, users can securely store and access their files from any device at any time. Microsoft 365 also enables users to incorporate their own files into AI prompts, ensuring responses are relevant and context-aware. Copilot can assist with brainstorming ideas, summarizing content, and organizing workflows to save time. The platform is accessible across desktop, web, and mobile applications, providing flexibility for different work environments. It also prioritizes user control, giving individuals the ability to manage how AI is used within their workspace. By combining productivity tools with intelligent automation, Microsoft 365 helps users accomplish tasks faster and more effectively. Ultimately, it empowers individuals and teams to improve productivity, collaboration, and decision-making in a modern digital workspace.

Proton Drive is the secure workspace for storing sensitive data and collaborating with confidence across teams, clients, and external partners. With full end-to-end encryption, you can share files, contracts, and business documents securely — and stay in control at all times. Set passwords, expiration dates, or revoke access instantly. Files are encrypted on your device before upload, and only you and your collaborators can access them. Even Proton can’t see your data. Each user gets 1 TB of storage, and you can scale as your organization grows. Proton Drive is developed in Switzerland by the makers of Proton Mail. We’re independent, built on privacy-first principles, and free from Big Tech surveillance, lock-in, or monetization of user data. We offer more than secure storage: - Real-time collaboration with Proton Docs - Granular sharing controls for external and internal access - File recovery for peace of mind - Cross-device access, including Windows, macOS, iOS, and Android We also help you meet compliance requirements out of the box. Proton Drive supports: - GDPR, HIPAA, DORA, NIS2, and ISO 27001 - Independently audited SOC 2 Type II compliance - No complex setup or third-party integrations required. By choosing Proton Drive, you show your clients, partners, and regulators that privacy and security are built into your workflows — not an afterthought.