Best Cloud Storage Services for Windows

pCloud Business is a secure cloud storage solution that enables companies to store, access, and manage their files from anywhere. All business data is centralized in a single platform, accessible via web, desktop, and mobile apps. Storage is offered per user and combined into a shared pool, allowing teams to use space flexibly. With data centers in Dallas (USA) and Luxembourg (EU), pCloud ensures GDPR compliance and European data sovereignty. Files are protected with advanced encryption and benefit from automatic backup and version history. Teams can easily organize files, collaborate in shared folders, and securely share content externally. Designed for reliability and performance, pCloud Business replaces traditional storage systems with a scalable, secure cloud environment.

Files.com is a cloud-native Managed File Transfer (MFT) platform that unifies file transfers, sharing, and automation across any cloud, protocol, or partner. It connects 50+ storage systems — including Amazon S3, Azure, Google Drive, SharePoint, Dropbox, and Box — presenting them as a single seamless namespace. Files.com supports SFTP, FTP/FTPS, AS2, HTTPS, WebDAV, and REST APIs, making it compatible with virtually any system or partner. Automated workflows eliminate manual scripts and reduce admin overhead by up to 90%. ​ Enterprise-grade security includes AES-256 encryption, SOC 2 Type II certification, HIPAA/GDPR compliance, full audit trails, SSO (Okta, Azure AD, and more), and 2FA. With a 99.99% uptime history and zero data breaches in 15 years, Files.com is trusted by IT teams in finance, healthcare, and technology. Available via web, desktop (Windows/macOS), mobile (iOS/Android), and on-premises agent (Windows/macOS/Linux).

Box helps growing businesses manage and get more value from their content on one secure AI-powered platform. Combining file sharing, document management, workflow automation, e-signature, and AI tools in one place, Box empowers teams to reduce tool sprawl and improve visibility across all their files. Organizations use Box for secure internal and external collaboration, knowledge management, contract lifecycle management, onboarding, controlled documents, and audit-ready archiving. For teams adopting AI, Box is designed to connect AI to business content with permissions, governance, and auditability in one file system. The platform also supports compliance and security needs with features such as access controls, retention, classification, and protections for regulated environments, including support for requirements such as HIPAA and FINRA.

Tresorit is a zero‑knowledge, end‑to‑end encrypted cloud collaboration platform built for organizations that handle sensitive data. It enables secure file storage, syncing, and sharing while ensuring that only data owners and authorized recipients can access content—Tresorit itself cannot. Files are encrypted on the user’s device before upload and remain protected throughout storage and sharing. The platform supports secure internal collaboration and external data exchange through encrypted file sharing, secure email links, digital signatures, and encrypted data rooms for client and partner collaboration. Tresorit provides granular access controls, auditability, and configurable data residency to help meet strict security and compliance requirements. Designed as a privacy‑first alternative to traditional cloud tools, Tresorit allows teams to collaborate productively without compromising control, confidentiality, or regulatory obligations.

The next-gen collaboration suite. All your chats, meetings, calendars, docs, and emails in one place. These organisations have made Lark their all-in-one solution for collaboration. Lark is a comprehensive productivity superapp designed to streamline collaboration. It combines chat, meetings, document editing,project management, and automation tools in one intuitive platform, simplifying your workflow and enhancing team communication. It suits teams of all sizes, from small groups to large multinational companies. By utilizing Lark Base, teams have the ability to construct a CRM solution that aligns with their present requirements and is capable of expanding along with the business. Additionally, Lark is well-equipped to serve as a project management tool, providing project managers with robust features for planning, tracking, and executing projects effectively.

ownCloud develops and provides open-source software for content collaboration, allowing teams to easily share and work on files seamlessly regardless of device or location. More than 100 million users worldwide already use ownCloud as an alternative to public clouds – and thereby opt for more digital sovereignty, security and data protection.

FileCloud is a hyper-secure EFSS (enterprise file sync and share) platform that provides industry leading compliance, data governance, data leak protection, data retention and digital rights management capabilities. Workflow automation and granular control of content sharing across most enterprise platforms are fully integrated into the complete EFSS stack. FileCloud is a leader in content governance and collaboration for unstructured data, trusted and used worldwide across Global 1000 enterprises, educational institutions, government organizations, and service providers. Granular control of content sharing is fully integrated into the stack through comprehensive audit logs and access permissions, and the Compliance Center helps with regulations like GDPR, HIPAA, and NIST 800-171 (among others). FileCloud also provides Zero Trust File Sharing® an industry first innovation that allows users to share sensitive data via an encrypted zip file that cannot be accessed by unauthorized user

Folderit is a user-friendly, secure, and affordable document management system built for teams that need more than just file storage. With OCR search, metadata, audit trails, version control, reminders, previews, workflows, e-signing, retention automation, and enterprise access control, Folderit helps organizations keep documents searchable, controlled, and audit-ready. It also supports API integrations, Office 365, SSO, eForms, and flexible deployment options including Single-Tenant and On-Premises.