CBFS Cloud

Callback TechnologiesCommunication & Messaging Tools.NET
Version 2026 (26.0.9700) (Jul 23, 2026)

Mount cloud and remote storage as local virtual drives in applications.

  • Connect multiple cloud storage services through one consistent developer API.
  • Present remote storage as standard local drives for desktop applications.
  • Cache data locally while synchronizing changes with remote storage.
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CBFS Cloud is a developer component that lets applications mount cloud and remote storage as local virtual drives. It provides a consistent API for connecting to Amazon S3 and S3-compatible storage, Azure Blob Storage, Azure Files, Microsoft OneDrive, Microsoft SharePoint, Google Drive, WebDAV servers, SFTP servers, and NFS servers, while supporting local caching and background synchronization.

Mount Remote Storage as Local Drives

Create virtual drives that expose cloud and remote storage through the operating system's standard filesystem interface. Applications and users can interact with remote files using familiar file operations instead of storage-specific APIs.

Connect to Popular Storage Platforms

Create virtual drives for Amazon S3 and S3-compatible storage, Azure Blob Storage, Azure Files, Microsoft OneDrive, Microsoft SharePoint, Google Drive, WebDAV servers, SFTP servers, and NFS servers through a consistent programming API.

Cache Files Locally

Store frequently accessed data in a local read and write cache to improve responsiveness. Cached content helps applications deliver faster file access while maintaining synchronization with remote storage.

Synchronize Changes in the Background

Transfer file updates between local storage and the remote backend without interrupting application workflows. Background synchronization keeps mounted storage current while reducing delays during file operations.

Manage Drive Lifecycle

Create and remove virtual drive mounts programmatically by supplying connection details and controlling the mount process through the API. Applications can integrate drive management directly into their workflows.

Detect Concurrent File Changes

Identify situations where multiple users or systems modify the same content. Configurable conflict handling enables applications to determine how concurrent updates should be managed.

Reduce Low-Level Development

Develop applications using a user-mode API while the component manages the underlying filesystem integration. This allows developers to implement cloud storage functionality without creating kernel-mode driver code.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • .NET

.NET Version

  • .NET 10 LTS
  • .NET 9 STS
  • .NET 8 LTS
  • .NET 7 STS
  • .NET 6 LTS
  • .NET 5 / .NET Core 3.1
  • .NET 4.8 or earlier

.NET Platform

  • .NET Assembly

IDE Support

  • Visual Studio