Solutions for Virtual Filesystems and OS Monitoring

Callback Technologies develops tools that simplify filesystem implementation and operating system request interception. Our products help you create virtual disks and custom storage solutions, implement on-the-fly encryption, restrict access, audit and control system activity, and more. Each product is a complete Software Development Kit (SDK) that includes components, drivers, demos, and a well-documented API.

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CBFS Connect

CBFS Connect

Create and manage virtual filesystems in your Windows applications.

CBFS Filter

CBFS Filter

Track and control filesystem, registry, and process manager operations.

CBFS Storage

CBFS Storage

Create and embed secure, fully-functional filesystems anywhere.



Create and manage virtual disk drives backed by standalone datastores.

Expert Support

Support is not just a part of our business, support is our business. Whenever you need help, please consult the resources below.

Find answers to questions about products and services.

View our online product documentation and tutorials.

Online support is FREE. Phone/email Premium Support is also available.