List of the Top 25 Cloud Storage Services for Windows in 2025

Proton Drive is a secure cloud storage and collaboration platform built for professionals who manage sensitive data. Whether you’re sharing internal documents, legal contracts, or client files, Proton Drive keeps your data private — by default. Files are encrypted on your device before upload, and only you and your collaborators can access them. Even Proton can’t read your files. You can set passwords, add expiration dates, or revoke access instantly — so you’re always in control. Each user gets 1 TB of storage, with the flexibility to add more as your team or projects grow. Designed and hosted in Switzerland, Proton Drive is developed by the team behind Proton Mail and Proton VPN — trusted by over 100 million users worldwide. We’re independent, open source, and committed to keeping your data safe from surveillance and vendor lock-in. Proton Drive helps you stay compliant, with support for: - GDPR, HIPAA, ISO 27001, NIS2, and DORA - Verified SOC 2 Type II audits - No complex setup. No third-party tools required. Built for security teams, law firms, healthcare providers, consultancies, and privacy-conscious organizations of all sizes.

Over 6,000 organizations rely on Files.com to facilitate the automation and security of vital data transfers. We are deeply committed to ensuring security, compliance, reliability, and performance, allowing your essential business operations to function seamlessly every time. With our platform, you can effortlessly manage transfer workflows without the need for coding or scripting, enabling smooth onboarding of workloads and partners. We accommodate standard file transfer protocols such as FTP, SFTP, and AS2 for collaborating with external partners, while also offering native applications designed for optimal performance during internal transfers. As a fully Cloud-Native SaaS solution, you won't need to purchase or maintain any servers, and there’s no installation process required, as high availability and redundancy are inherently integrated at no additional cost. Our comprehensive InfoSec Program undergoes annual audits by Kirkpatrick Price, a respected CPA firm specializing in information security, which evaluates the entire spectrum of Files.com’s operations rather than just focusing on data centers, ensuring transparency and reliability—contrast this with smaller competitors who may misrepresent their audit results. Among our technical features are encryption for data at rest and in transit, four variations of two-factor authentication, nine integrations for enterprise identity (SSO), customizable password and session policies, along with an impressive “A+” rating from Qualys SSL Labs for security. This commitment to security and performance distinguishes us in the competitive landscape.

Customize your storage solutions with our flexible cloud block storage that adjusts to your specific requirements. Designed to accommodate servers and databases of varying scales, it offers a robust and secure foundation suitable for businesses of all sizes. You maintain complete control and can alter individual data blocks without the need to rewrite entire files. Kamatera's cloud block storage provides high-performance virtual hard drives tailored for your cloud servers. Featuring a centralized and fault-tolerant architecture, it employs block-level data fragmentation and unique identifiers to ensure ultra-low latency and exceptional throughput, making it perfect for intensive workloads. Its adaptability to different server and database sizes ensures a secure and customizable storage environment, giving you fine-grained control over each data block.

PhoenixNAP, a prominent global provider of Infrastructure as a Service (IaaS), assists organizations across various scales in fulfilling their IT demands for performance, security, and scalability. With services accessible from key edge locations across the U.S., Europe, Asia-Pacific, and Latin America, phoenixNAP ensures that businesses can effectively expand into their desired regions. Their offerings include colocation, Hardware as a Service (HaaS), private and hybrid cloud solutions, backup services, disaster recovery, and security, all presented on an operating expense-friendly basis that enhances flexibility and minimizes costs. Built on cutting-edge technologies, their solutions offer robust redundancy, enhanced security, and superior connectivity. Organizations from diverse sectors and sizes can tap into phoenixNAP's infrastructure to adapt to their changing IT needs at any point in their growth journey, ensuring they remain competitive in the ever-evolving digital landscape. Additionally, the company’s commitment to innovation ensures that clients benefit from the latest advancements in technology.

Introducing a file archiving solution tailored for servers and network storage systems, enabling the utilization of any device as a second-tier storage option. ArchiverFS is compact yet powerful, offering features like cloud support, DFS replication, de-duplication, and compression. This versatile tool can be deployed on any NAS, SAN, or cloud environment to manage and archive older unstructured files. It allows for network sharing through a UNC path and can be formatted using NTFS. Unlike other solutions, ArchiverFS operates without a database for file storage, pointers, or metadata, relying solely on the straightforward capabilities of NTFS. With ArchiverFS, you can efficiently transfer large volumes of outdated files from your primary first-tier storage to secondary storage, all while maintaining file attributes, permissions, and directory structures intact. Additionally, it provides the ability to create links that substitute for deleted files, including seamless symbolic links that replicate the appearance and functionality of the original files effortlessly. This makes the process of archiving not only efficient but also user-friendly.

Dropbox Business goes beyond just providing secure file storage; it creates a versatile workspace that seamlessly unites teams, tools, and content. Users are enabled to create, store, and share their cloud content across a variety of applications, which includes Google Docs, Sheets, Slides, Microsoft Office files, and Dropbox Paper, in addition to traditional files saved in Dropbox. With Dropbox Spaces, all your files and cloud-based resources are consolidated, allowing for easy access to PowerPoint presentations alongside Google Docs, Trello boards, and other tools your team may use. Whether you're using a computer, mobile device, or a web browser, accessing your team's collaborative work is simple and efficient. By integrating platforms like Slack and Zoom, your team's files and discussions can be kept organized in one central location. Furthermore, the smart suggestions for files and folders enhance your team's ability to access critical content when it’s needed most. A strong and secure infrastructure, combined with administrative tools that provide enhanced control and visibility, ensures that your organization’s data remains safeguarded within Dropbox. This all-encompassing approach not only increases productivity but also nurtures collaboration among team members, significantly improving overall effectiveness. Ultimately, Dropbox Business is designed to adapt and grow with your team’s needs, making it an invaluable asset for modern workplaces.

Store, sign, and secure your documents on Box, the leading Intelligent Content Management platform. Built for the AI-first era, Box simplifies your tech stack and conserves cost with one secure, end-to-end solution for the entire content lifecycle.

Onehub serves as a secure platform for file storage and sharing, catering to businesses of all sizes. With bank-level encryption and a detailed, role-based permissions system, Onehub lets you manage access to your files, enabling you to share sensitive business documents with peace of mind. The platform includes an array of robust business tools such as virtual data rooms, client portals, and integration with Google Docs. In addition, features like automatic watermarking, customized workspaces, and tailored agreements help enhance and streamline the file-sharing process. You can personalize your Onehub Workspace to ensure that shared content appears professional and polished, and you have the flexibility to create a dedicated Client Portal. Moreover, Onehub's virtual data room facilitates the secure transfer of confidential information to clients while maintaining the anonymity of collaborators, ensuring that privacy and security are prioritized throughout business transactions.

Microsoft Azure is a dynamic cloud computing platform designed to streamline the development, testing, and management of applications with speed and security. By leveraging Azure, you can creatively turn your ideas into effective solutions, taking advantage of more than 100 services that support building, deploying, and managing applications across various environments such as the cloud, on-premises, or at the edge, all while using your preferred tools and frameworks. The ongoing innovations from Microsoft ensure that your current development requirements are met while also setting the stage for your future product goals. With a strong commitment to open-source values and support for all programming languages and frameworks, Azure grants you the flexibility to create and deploy in a manner that best fits your needs. Whether your infrastructure is on-premises, cloud-based, or edge-focused, Azure is equipped to evolve alongside your existing setup. It also provides specialized services for hybrid cloud frameworks, allowing for smooth integration and effective management. Security is a key pillar of Azure, underpinned by a skilled team and proactive compliance strategies that are trusted by a wide range of organizations, including enterprises, governments, and startups. With Azure, you gain a dependable cloud solution, supported by outstanding performance metrics that confirm its reliability. Furthermore, this platform not only addresses your immediate requirements but also prepares you for the future's dynamic challenges while fostering a culture of innovation and growth.

Reliable Storage and Fast Transfers. We enhance and simplify secure cloud storage for your ease of use. Create a free MEGA account today! Your files and conversations on MEGA are protected by encryption keys that you manage. You can utilize MEGA's chat feature to send messages, share files, and make audio/video calls, all with end-to-end encryption for added security. Improve your organization's data safety and communication with MEGA’s extensive encrypted business offerings. Experience automatic synchronization between your devices and your MEGA cloud effortlessly, as it is compatible with Windows, Mac, and Linux systems. Enjoy the full capabilities of MEGA wherever you go, designed specifically for secure data mobility. It is also accessible on iOS, Android, and Windows Phone, providing you with the freedom to access your files anytime, anywhere across all your Windows 10 devices. Furthermore, a command line tool is available, allowing you to efficiently manage your MEGA account and files on Windows, macOS, and Linux platforms. By installing MEGA in your browser, you can enhance your browsing experience, significantly reducing loading times and increasing download speeds. With MEGA, not only can you work efficiently and securely in the cloud, but you can also ensure that your data remains easily accessible whenever you need it. Plus, the user-friendly interface makes navigating through your files a breeze.

pCloud is a cloud-based platform designed for managing digital assets and storage, providing users with the ability to access their content—such as images, videos, audio files, and documents—anytime and anywhere across various devices. It offers a secure and centralized location for all essential files, facilitating easy sharing with clients and team members while allowing users to grant permissions to individuals worldwide. The platform boasts a straightforward interface that clearly organizes and displays all content, making navigation simple for users. Available on numerous operating systems, including iOS, Android, Mac, Windows, and Linux, pCloud ensures compatibility across different environments. When you install pCloud on your PC through its desktop application known as pCloud Drive, it creates a secure virtual drive that enhances your local storage capacity, ensuring that updates made on pCloud are instantly visible on your mobile devices or computers. Moreover, the latest addition to pCloud's features, Branded Links, enables users to customize download links with their own logos and branding styles, adding a professional touch to file sharing. This innovative feature not only enhances branding but also improves the overall user experience when sharing content with others.

Designed for beginners yet robust for experts, you can seamlessly interact with SharePoint and OneDrive directly from the applications you frequently use. Effortlessly edit files created in Adobe, text editors, and all versions of Office. Additionally, you can connect to Box, S3, Google Drive, Dropbox, and other Office apps via Windows Explorer or Mac Finder. WebDrive serves as a familiar FTP client, allowing you to efficiently utilize FTP and SFTP servers to assign drive letters, enhancing both productivity and ease of use. Acting as a WebDAV client, WebDrive enables you to mount files during startup and secure them effectively, functioning similarly to the built-in Windows WebDAV redirector. For larger organizations, the setup process is streamlined, requiring minimal installation time. Moreover, settings can be customized and deployed to all users without the need to adjust each individual computer, facilitating a consistent experience. By accessing remote files without the need for syncing, you can conserve space on your device while simultaneously boosting security, significantly lowering the chance of data loss or theft. This approach not only simplifies file management but also promotes a more secure work environment.

Tresorit offers a highly secure solution for file sharing and synchronization, enabling users to store, sync, and share their documents from any location at any time. Utilizing end-to-end encryption, Tresorit safeguards your files against potential threats from hackers and internal data breaches. All information is stored in compliance with GDPR regulations within Microsoft Azure Data Centers located in Europe. Users have the ability to control who can edit, add, or view the files they share, and can securely access updated documents through their web browser, desktop, or mobile device. Additionally, files can be shared securely beyond your organization, allowing for a safer alternative to sending unsecured email attachments. With end-to-end encryption, your files remain encrypted until they reach the intended recipient, ensuring that only you and the recipient have access. To facilitate collaboration with external partners, Tresorit provides Content Shield features that further protect your business assets. For more information on these features, visit the Tresorit website. This robust approach not only enhances security but also fosters a collaborative environment while maintaining data integrity.

SynaMan is an essential tool for remote file management that helps companies navigate the challenging shift from traditional office settings to remote work environments. The latest iteration, SynaMan Version 4.5, enables users to share sizable files while ensuring their privacy and security remain intact. With its user-friendly web interface, SynaMan Version 4.5 allows seamless access to folders from any location, providing capabilities to edit, update, and share large files effortlessly through email. This functionality is crucial for maintaining productivity in a remote work landscape where collaboration is key.

Effortlessly manage your images, documents, notes, and other content across all devices while ensuring they are secure and up to date, giving you access no matter your location. If you happen to lose a device, you can use Find My iPhone through iCloud.com to locate it, activate Lost Mode, or erase its information remotely. Store your files safely in iCloud Drive, allowing easy sharing with friends and colleagues. You can also edit or upload photos and videos from any device, with the changes immediately visible on all your devices, which boosts both productivity and connectivity. This ensures that your essential content is always readily available, making it convenient to access whenever you require it. With these features, you can maintain peace of mind knowing your information is both secure and easily retrievable.

CloudMounter serves as a vital application for users with limited storage on their SSD drives. It allows you to mount various cloud services as if they were local disks, eliminating the necessity to download files stored online. Additionally, it provides the option to encrypt sensitive cloud files for enhanced security. Users can conveniently handle their OneDrive, Google Drive, and Dropbox accounts directly within Finder at no cost. This functionality significantly streamlines file management while preserving valuable disk space.

Files.fm provides reliable cloud storage and backup options, along with SaaS solutions tailored for both individual and corporate clients. This platform enables users to securely store, back up, share, and publish their files from virtually any location globally.

JioCloud is a flexible cloud storage platform that accommodates a wide range of file types, such as selfies, images, videos, documents, assignments, and music, no matter their size. This application allows users to effortlessly access their files from various devices, including smartphones, computers, and televisions, thanks to its compatibility with mobile, desktop, and set-top box applications. Moreover, users can earn as much as 100 GB of online storage by engaging with promotions highlighted on the Offers page, with each eligible activity contributing additional cloud space. With JioCloud, your files are securely stored and organized, providing a centralized location for your photos, videos, documents, songs, and contacts. You can easily access, share, and manage your files from almost anywhere, enhancing your productivity on the go. The app comes with several key features, such as the option for automatic backup or manual uploads, quick access to files from any smartphone or PC, and the ability to collaborate effectively with others for events, trips, or projects, making it not only convenient but also highly beneficial for users. Furthermore, its intuitive interface is designed for ease of use, ensuring that anyone can navigate and make the most of its features without difficulty. This combination of functionality and user-friendliness makes JioCloud an excellent choice for anyone seeking reliable cloud storage solutions.

Koofr offers a trustworthy, private, and intuitive cloud storage option for users. It allows you to seamlessly save, back up, share, and synchronize various types of files, including documents, photos, and videos. With a generous 10GB of free cloud storage available for life, users also have the flexibility to upgrade as needed. The platform ensures that your data is kept safe on GDPR-compliant servers situated in the EU. You can access your files from anywhere, at any time, using Koofr’s applications available on desktop systems (Windows, Linux, macOS, WebDAV, rclone) and mobile devices (Android, iOS, and Huawei). If you already have cloud storage services such as Dropbox, Google Drive, or OneDrive, you can easily link them to Koofr for a streamlined file management experience utilizing its unified search functionality. Additionally, the service enables automatic backups of your mobile media files, alleviating concerns about storage shortages or the loss of valuable images. Transferring photos and videos directly from platforms like Instagram and Facebook to Koofr is simple, making the backup process more efficient than ever before. With Koofr, managing your digital life becomes a breeze, ensuring your memories are always safe and accessible.

Cloud storage serves as an efficient alternative to traditional hard drives, allowing for easy management by simply entering your cloud credentials, which makes all your cloud storage options accessible as a virtual drive upon booting your computer. Additionally, NAS storage can be utilized as a virtual drive through connections like WebDAV and FTP, with NetDrive being a widely-used tool for mounting NAS devices, enabling file sharing with others seamlessly. Furthermore, for secure file transfers, NetDrive offers support for SFTP (SSH File Transfer Protocol), which ensures that both commands and data are encrypted, safeguarding sensitive information from being intercepted during transmission over a network. This level of security is crucial for maintaining privacy and protecting data integrity in an increasingly digital world. By leveraging these technologies, users can enhance their file management and sharing capabilities while prioritizing security.

The Ultimate Solution for Cloud Access. Experience seamless connectivity to your cloud storage from any application without interruptions. ExpanDrive effectively incorporates various cloud services, including Google Drive, Dropbox, Amazon S3, SFTP (SSH), Box, OneDrive, and SharePoint, directly into Finder and Explorer. Say goodbye to the inconvenience of relying on a separate application for file transfers. With ExpanDrive, you can effortlessly access cloud storage across all your computer programs, such as Office 365, Photoshop, and VS Code. You can select specific files to be available offline, enabling productivity even without internet access; your modifications will automatically sync back to the cloud when you're online again. Other files can be opened directly from the cloud without taking up any local storage. If you've felt unsupported by major cloud providers, ExpanDrive is the solution you've been seeking. Moreover, it offers native cloud storage access for all the major Linux distributions, including Ubuntu, Linux Mint, CentOS, and Red Hat. It also includes integration with Spotlight Search on Mac and Windows file search, making it effortless to find remotely stored items. With ExpanDrive, managing your cloud files is not only simplified but also incredibly efficient, enhancing your overall workflow. This tool is designed to streamline your experience and make cloud management a breeze.

Lark serves as an exceptional platform for frontline sectors and international teams engaging in cross-border communications. It integrates chat, video conferencing, document collaboration, project oversight, and automation tools into a singular, user-friendly interface, streamlining workflows and improving communication among teams. This versatile tool is appropriate for organizations of any size, catering to both small teams and expansive multinational enterprises. Through the use of Lark Base, teams can develop a tailor-made CRM solution that meets their current needs while also having the capacity to scale as the business grows. Furthermore, Lark is designed to function effectively as a project management tool, equipping project leaders with comprehensive features for planning, monitoring, and executing projects successfully. Its notable aspects include Base, which is a collaborative, spreadsheet-based project management solution with various visualization options, a fully customizable CRM system that allows for the adjustment of permissions for different users, and the Meetings feature, which provides audio and video conferencing with enhanced collaborative capabilities such as Magic Share, real-time translation subtitles, and the option to create breakout rooms accommodating up to 50 groups during a single meeting. In this way, Lark not only fosters effective communication but also supports the dynamic needs of modern teams.

Sync serves as a reliable alternative to Dropbox, providing secure file sharing and seamless collaboration. More than 400,000 users, including both individuals and businesses, place their trust in Sync. The platform enables users to send and receive files securely, collaborate privately, and access their files from anywhere. Additional features include multi-user administration, compliance with data privacy standards, and options for backup and recovery, ensuring your data is always protected and accessible. With its user-friendly interface and robust security measures, Sync stands out as a top choice for file management and teamwork.

Noysi simplifies and enhances communication among various stakeholders, including team members, customers, agents, and consultants. It facilitates real-time discussions through open and private channels, as well as offers direct messaging options. With unlimited cloud storage, users can securely encrypt and store all files, ensuring easy access and protection. The built-in Task Manager provides a swift way to organize projects effectively. Users can engage in video calls, screen sharing, and both individual and group calls, fostering collaboration. An intuitive index browser categorizes messages, members, channels, and files, allowing for seamless navigation. Furthermore, Noysi integrates with existing applications, enabling users to utilize their preferred tools within the platform. Companies can be structured into departments, teams, or projects, with the flexibility to communicate through open channels, private groups, or direct messages. Unlimited partner invitations enhance networking opportunities, while the task manager features facilitate project oversight, making Noysi a comprehensive solution for efficient collaboration. Overall, Noysi stands out as a powerful communication tool for modern organizations.

Internxt is a cloud storage service that aims to transform the way both individuals and businesses handle their data by providing a variety of advanced and secure storage options. Prioritizing privacy, security, and innovation, Internxt empowers users through its extensive lineup of cutting-edge storage solutions. With a strong emphasis on user privacy, its open-source, zero-knowledge, end-to-end encrypted cloud storage services establish Internxt as a reliable guardian of digital assets. Committed to delivering superior products and services, the company focuses on ensuring data security and user-friendly access. With a global footprint and a steadfast dedication to excellence, Internxt leads the charge in the digital data evolution. Their offerings include dependable and innovative solutions tailored for contemporary needs, ensuring relevance in today's fast-paced digital landscape. Additionally, Internxt Drive provides users with up to 10GB of free storage space, while cost-effective monthly, annual, or lifetime plans are also available for those requiring additional capacity.