Azure Storage Mover

Azure Storage Mover is a service for moving files and folders from on-premises systems and cloud platforms into Azure Storage. It can send data to Azure Blob Storage or Azure Files from sources that use SMB 2.x/3.x, NFS 3/4 or S3. Migration jobs can run once, recur, or transfer only folder structure and permissions without moving file data. File transfers can retain structure, permissions, attributes and metadata. An Azure-hosted resource coordinates jobs, authentication and progress; agents scan and transfer from on-premises systems or cloud VMs. For AWS S3 to Azure moves, Azure Arc connectors provide source access and enable server-to-server copying without an agent. Transfers use HTTPS, and Private Link to storage accounts is optional. Microsoft says there is no per-job limit on files or directories and reports testing up to 500 million objects in on-premises scenarios. Storage Mover is free for on-premises-to-Azure and AWS-to-Azure migrations, but standard storage, transaction and networking charges apply. Resources can be created in six listed regions, while data can be ingested into all Azure public regions.

Azure Storage Mover offers several migration modes and preservation options for file transfers into Azure. The service has no charge for the stated on-premises-to-Azure and AWS-to-Azure scenarios, but related Azure storage and network charges remain.

It suits organizations moving file workloads to Azure, including teams managing hybrid or multicloud migrations. The service is described for enterprise-scale workloads as well as one-time or recurring transfers.

Overview

Azure Storage Mover is a managed service for moving files and folders from on-premises systems and other clouds into Azure Blob Storage or Azure Files. It is best suited to teams consolidating file workloads in Azure, including hybrid and multicloud environments. Its focused migration capabilities carry no service charge in the stated on-premises-to-Azure and AWS-to-Azure scenarios, though Azure storage and networking costs still apply.

Key features

An Azure-hosted resource coordinates jobs, handles authentication and tracks progress, while agents scan and transfer data from on-premises environments or cloud VMs. That division gives administrators a central view of migration work, but on-premises transfers require an agent. For AWS S3 sources, Azure Arc connectors can provide access without one, and data is copied server to server—a useful fit for direct cloud-to-cloud moves.

Sources can use SMB 2.x/3.x, NFS 3/4 or S3, and destinations are Azure Blob Storage and Azure Files. Supported environments include AWS FSx SMB, GCS S3, NAS, servers and workstations. Transfers can preserve structure, permissions, attributes and metadata, which matters when file organization and access rules must survive a move. One-time runs suit a planned migration; recurring transfers support ongoing movement; metadata-only runs recreate folder structures and permissions without copying file contents.

Cutover orchestration and migration reporting support staged transitions. Microsoft says jobs have no file or directory count limit and reports testing up to 500 million objects in on-premises scenarios. That scale is compelling for large estates, though the reported test figure is not a promise that every workload will perform the same way.

Transfers use HTTPS, and Private Link to storage accounts is optional. For on-premises migrations, only metadata passes through the Storage Mover resource region. Resources can be created in East US, East US 2, West Central US, West US 3, North Europe and Sweden Central, while data can be ingested into any Azure public region. The separation between resource and destination regions adds flexibility, but resource creation is limited to those six regions.

Pricing

Azure Storage Mover — Free

The plan costs nothing, with no charge for Storage Mover capabilities in on-premises-to-Azure and AWS-to-Azure scenarios. It suits organizations seeking migration orchestration without a separate service fee. Standard storage, transaction and networking charges still apply, so the migration is not necessarily cost-free overall.

Platforms

Storage Mover is offered as a web service and supports self-hosted migration work through its downloadable agent. Its file workload covers SMB 2.x/3.x, NFS 3/4, AWS S3, AWS FSx SMB, GCS S3, NAS, servers and workstations as sources, with Azure Blob Storage and Azure Files as destinations.

Who it's for

This is a strong choice for organizations moving large file estates into Azure, particularly when they need to preserve permissions and metadata, coordinate cutover, or repeat transfers. AWS S3 users can avoid deploying a transfer agent for that route. It is a poor fit when the desired destination is outside Azure or when the priority is avoiding Azure storage and network charges rather than the migration service fee.

Pros and cons

• Broad file migration modes: one-time, recurring and metadata-only jobs cover both full transfers and staged preparation.
• Preservation and oversight: structure, permissions, attributes and metadata can be retained, with cutover orchestration and reporting to support controlled moves.
• Large-job headroom: there is no stated per-job file or directory limit, and Microsoft reports testing up to 500 million objects in on-premises scenarios.
• Costs remain outside the service: Azure storage, transaction and networking charges apply even when Storage Mover itself is free.
• Azure-only destinations: migrations must end in Azure Blob Storage or Azure Files, limiting its usefulness for other destination strategies.
• Regional constraint: the Storage Mover resource can be created in six regions, despite ingestion being available across Azure public regions.

Alternatives

Storage Migration Software is a useful place to compare migration tools across the category. Synology Photos is a free alternative for users who need photo management across its supported platforms and have a Synology NAS; it is not a like-for-like file migration service. Cloudsfer may suit smaller transfers or readers who want a freemium web option: its free tier is limited to 1GB, while its Essential plan is $100 a month for 100GB, with one parallel job and $1.20 per GB overage.

Google Cloud Storage is worth considering when Google Cloud is the intended storage destination; its Coldline storage is usage-based, with rates varying by storage class and bucket location. NetApp XCP may fit Linux, Windows or self-hosted environments seeking a file migration tool with a free one-year license renewable for another year. Synology Active Backup for SaaS is a free add-on for Synology NAS users backing up Microsoft 365 or Google Workspace, rather than migrating general file estates.

Huawei HiSecEngine USG6800G, Atempo Lina and Data Dynamics StorageX are alternatives for readers comparing paid products; their pricing is custom, and StorageX uses a terabyte-consumption model.

Verdict

Choose Azure Storage Mover if your destination is Azure and you need structured, repeatable file migrations with preservation and cutover controls, especially at large scale. Its main advantage is capable orchestration without a service fee for the stated scenarios; look elsewhere if you need a non-Azure destination or want to avoid the storage and network costs that remain.