Best File Migration Software 2026

Migrate to Microsoft 365 with confidence.

AvePoint FLY is a colossal, highly formidable enterprise migration platform that sits at the absolute highest echelon of the Microsoft ecosystem, competing directly in the same heavyweight class as ShareGate. AvePoint is one of Microsoft's absolute largest global partners, and FLY is engineered for the most massive, highly complex, and heavily regulated global migrations (e.g., migrating petabytes of data for a federal government agency or a global bank). The absolute core superpower of AvePoint FLY is its "Hyper-Scale Performance and Throttling Evasion." When pushing petabytes of data into Microsoft 365, Microsoft will automatically "throttle" (slow down) the connection to protect their servers. FLY utilizes highly advanced, proprietary algorithms to dynamically manage API calls, circumventing massive throttling penalties and ensuring that massive migrations finish on schedule without crippling the corporate network. Furthermore, FLY offers unparalleled capabilities in consolidating massively fractured environments (e.g., migrating Slack channels, Box drives, Dropbox folders, and legacy File Shares all into a single, unified Microsoft Teams architecture simultaneously). It features incredibly dense pre-migration discovery, mapping complex user permissions flawlessly into the cloud. For the absolute largest, most complex global enterprise migrations, AvePoint FLY is a military-grade powerhouse.

Any-to-any migration for Windows and Linux.

Carbonite Migrate (developed by DoubleTake, acquired by Carbonite, and now owned by the massive enterprise information titan OpenText) is a highly specialized, fiercely technical, and deeply entrenched platform that completely ignores basic cloud drives (like Google Drive) to focus on the most high-stakes migration on earth: "Massive Server and Workload Migration." The absolute core differentiator of Carbonite Migrate is its "Byte-Level, Real-Time Replication with Zero Downtime." If a hospital needs to migrate a massive, mission-critical SQL database from an aging physical server in their basement to AWS, they cannot afford a 10-hour outage. Carbonite Migrate installs at the hypervisor or OS level, constantly replicating every single byte change from the source to the cloud target in real-time while the source server is still live. When the cloud server is perfectly synced, the IT admin simply clicks a button, and the system executes a "Cutover" in a matter of seconds, redirecting traffic to the cloud with virtually zero user disruption. It supports any-to-any migrations (Physical-to-Virtual, Virtual-to-Cloud, Cloud-to-Cloud) for both Windows and Linux. For highly complex, mission-critical server and infrastructure migrations, Carbonite Migrate is elite technology.

Cloud to cloud migration tool.

Cloudsfer (developed by the highly respected migration experts at Tzunami) is an incredibly versatile, highly aggressive, and fiercely competitive cloud-to-cloud migration platform that fundamentally distinguishes itself by offering a staggering breadth of supported cloud connectors. While Mover focuses entirely on funneling people into Microsoft, Cloudsfer acts as a universal, agnostic hub for the entire cloud ecosystem. The core differentiator of Cloudsfer is its "Staggering Multi-Cloud Unification." It natively supports over 20 different cloud storage providers, including niche or specialized platforms that other tools ignore. A user can seamlessly migrate data from Alibaba Cloud, BIM 360, Jungle Disk, or WebDAV directly into Google Drive, SharePoint, or Amazon S3. It is the absolute Swiss Army knife for highly complex, multi-vendor cloud architectures. Furthermore, Cloudsfer offers highly advanced metadata handling and a fully managed service option (where their engineers execute the migration for you). It handles complex filtering (e.g., "Migrate all files from Dropbox to Google Drive, EXCEPT files older than 3 years or files larger than 1GB"). For organizations executing highly complex, cross-platform migrations between niche or massive cloud storage providers, Cloudsfer is incredibly potent.

Open source file synchronization tool.

FreeFileSync is a legendary, fiercely beloved, and massively ubiquitous open-source folder comparison and synchronization utility. While enterprise tools cost thousands of dollars, FreeFileSync provides staggering visual power and reliability completely free of charge. It is the absolute default tool installed on the USB drives of IT technicians and system administrators globally when they need to rapidly migrate data from an old hard drive to a new server. The absolute core differentiator of FreeFileSync is its "Visual Folder Comparison Engine." When an IT admin selects a "Source" and a "Target" folder, FreeFileSync scans thousands of files in seconds and presents a highly visual, color-coded dashboard showing exactly which files are new, which have been modified, and which will be deleted. The admin can manually review the impending migration, ensuring absolute control before a single byte is overwritten. Furthermore, FreeFileSync handles massive, complex operations flawlessly. It easily bypasses Windows file locking (using Volume Shadow Copy) to migrate files that are currently open and in use. It handles network shares, Google Drive, and SFTP natively, and features a "RealTimeSync" utility to trigger migrations instantly when a file changes. For IT professionals seeking a powerful, transparent, and 100% free visual migration tool, FreeFileSync is unmatched.

File synchronization and backup software.

GoodSync is a massively popular, deeply entrenched, and highly technical file synchronization and migration tool that has built a massive footprint among system administrators, power users, and small businesses. Unlike SaaS tools that only execute cloud-to-cloud transfers, GoodSync is a native desktop/server application that excels at bridging the massive gap between local hardware and the cloud. The absolute core superpower of GoodSync is its "Peer-to-Peer Block-Level Synchronization." If a video editor makes a tiny edit to a massive 10GB video file, GoodSync does not re-upload the entire 10GB file to the server. It mathematically calculates the exact data blocks that changed and uploads only those few megabytes, executing massive file migrations and ongoing syncs at blistering speeds over slow internet connections. Furthermore, GoodSync is highly renowned for its "Direct Device-to-Device" capability. It can synchronize massive files directly between a Windows server in New York and a Mac in London without passing the data through a third-party cloud server, ensuring absolute data privacy. With support for FTP, SFTP, WebDAV, Amazon S3, and Google Drive, GoodSync is a highly technical, industrial-grade workhorse for complex file movement.

The industry standard for cloud migrations.

MigrationWiz (developed by the massive IT titan BitTitan) is a highly aggressive, incredibly dominant, 100% cloud-based migration platform. While ShareGate dominates SharePoint, MigrationWiz is the absolute global standard for migrating massive corporate "Mailboxes and Cloud Drives" (Google Workspace to Microsoft 365, or Dropbox to OneDrive). It is heavily utilized by global IT Managed Service Providers (MSPs) executing massive digital transformations for their clients. The absolute core differentiator of MigrationWiz is its "Zero-Installation, 100% SaaS Architecture." An IT administrator does not need to install any heavy software on local servers. They simply log into the MigrationWiz web portal, input the admin credentials for the "Source" (e.g., a massive Google Workspace tenant) and the "Destination" (Microsoft 365), and MigrationWiz's massive Azure-backed cloud engine handles the staggering data transfer entirely in the background. Furthermore, MigrationWiz is renowned for its "Multi-Workload Unification." In a single UI, an IT admin can orchestrate the simultaneous migration of 5,000 user emails, their associated calendar events, their personal Google Drive files, and their massive Microsoft Teams chat histories. Because it licenses "per user" rather than "per gigabyte," it is highly predictable for MSPs. For massive, multi-platform cloud-to-cloud migrations, MigrationWiz is an elite, industrial-grade engine.

Cloud file migration to Microsoft 365.

Mover is a highly streamlined, massively powerful cloud-to-cloud migration tool that was so incredibly effective at moving organizations into the Microsoft ecosystem that Microsoft simply acquired the company outright and integrated it directly into Microsoft 365. Today, it serves as the official, native, and completely free migration pathway for organizations moving to OneDrive and SharePoint. The absolute core superpower of Mover is its "Native Microsoft Integration and Cost." Because it is owned by Microsoft, utilizing Mover to transfer massive amounts of data from Google Workspace, Box, Dropbox, or Egnyte into Microsoft 365 is completely free for Microsoft 365 subscribers. It completely eradicates the need for a mid-market company to pay thousands of dollars for a third-party tool like MigrationWiz if they are executing a standard cloud-to-cloud file move. Furthermore, Mover provides a highly intuitive, cloud-based dashboard. An IT admin authorizes the source cloud and the Microsoft 365 tenant, and Mover automatically maps the user accounts (e.g., mapping 'john@company.com' in Google Drive to 'john@company.com' in OneDrive). It executes massive data transfers directly between the cloud data centers at blistering speeds, bypassing the corporate network entirely. For standard cloud file migrations into the Microsoft ecosystem, it is the undisputed default.

Manage multiple cloud storages in one place.

MultCloud is a highly innovative, incredibly popular, and uniquely designed cloud management platform that fundamentally acts as a "Grand Central Station" for cloud storage. Instead of downloading files from Dropbox to a local computer just to re-upload them to Google Drive, MultCloud provides a single web interface that connects to over 30 different cloud drives, allowing users to drag-and-drop massive files directly between cloud servers. The core superpower of MultCloud is its "Direct Cloud-to-Cloud Transfer Engine." Once a user authenticates their various cloud accounts using secure OAuth, MultCloud's servers execute the migration in the background. A user can initiate a 500GB migration from MEGA to Amazon S3, close their laptop, and board a flight. MultCloud continues the massive transfer server-side, entirely bypassing the user's local internet bandwidth limitations. Furthermore, MultCloud excels in "Cloud Synchronization." It allows users to set up real-time, one-way, or two-way syncs between entirely different providers (e.g., keeping a backup of a highly sensitive OneDrive folder constantly updated in a secure pCloud account). For digital nomads, freelancers, and small businesses juggling multiple fractured cloud storage ecosystems, MultCloud is an incredibly efficient unification engine.

Rsync for cloud storage.

Rclone is an absolute legend, a fiercely technical institution, and the undisputed open-source heavyweight champion of cloud data management. It is a command-line program (widely known as "The Swiss Army Knife of Cloud Storage") that completely eschews a Graphical User Interface (GUI) in favor of raw, unadulterated, scriptable power. It is the absolute tool of choice for Linux system administrators, DevOps engineers, and data hoarders managing petabytes of cloud data. The absolute core differentiator of Rclone is its "Scriptable Command-Line Architecture and Extreme Versatility." It supports over 40 different cloud storage products (from Amazon S3 and Google Drive to highly obscure WebDAV servers). A DevOps engineer can write a simple cron job script utilizing Rclone to automatically migrate 5TB of log files from an AWS EC2 instance directly into a Google Cloud Storage bucket every night at 2:00 AM, executing flawlessly without any human intervention. Furthermore, Rclone features native "Client-Side Encryption." It can encrypt massive file names and the actual file data locally *before* uploading it to a cloud provider like Google Drive, ensuring that even if Google is breached, the data is mathematically unreadable. It also allows users to mount cloud storage directly as a local disk drive (rclone mount). For highly technical users demanding scriptable, open-source power, Rclone is untouchable.

Your out-of-the-box Microsoft 365 migration tool.

ShareGate is the absolute, unquestioned, and monolithic apex predator of the "Microsoft Ecosystem Migration" market. If a massive enterprise is migrating from an ancient, on-premise SharePoint 2010 server up to the modern Microsoft SharePoint Online (Microsoft 365), or consolidating multiple Microsoft Teams environments after a corporate merger, ShareGate is the absolute industry-standard tool used by IT professionals globally to execute the move. The absolute core superpower of ShareGate is its "Flawless Microsoft Metadata Retention." Moving a file is easy; moving a massive corporate document library while perfectly preserving the version history, the created/modified dates, the complex user permissions, and the custom metadata tags is incredibly difficult. ShareGate executes this flawlessly. It ensures that when a file arrives in the cloud, it looks exactly as it did on-premise, preventing massive user confusion. Furthermore, ShareGate provides incredibly robust "Pre-Migration Assessment" tools. Before moving a single byte, it scans the massive legacy server, identifies broken links, flags custom code that will break in the cloud, and warns the IT admin of potential URL length limits. With an incredibly intuitive desktop application and no data volume limits, ShareGate is the undisputed standard for Microsoft migrations.