OSFMount (64-bit) for Windows

Whether you are a forensic investigator needing to pore over bit-for-bit copies of a drive or a power user looking to squeeze every drop of performance out of your hardware, OSFMount is a tool that provides a professional-grade solution. It bridges the gap between static image files and system integration.

By allowing users to mount local disk image files as either physical disks or logical drive letters, it makes complex data accessible to standard Windows tools. OSFMount is particularly effective when paired with OSForensics, though its utility extends far beyond specialized investigations into everyday performance optimization.

High speed performance

One of the standout features of this utility is its ability to handle write cache mode. While many mounting tools force a choice between risky direct writing or restrictive read-only access, OSFMount uses a delta file to store changes. This preserves the original image's integrity while allowing the user to interact with the drive dynamically. However, beginners might find the interface slightly overwhelming.

The RAM disk functionality is arguably the fastest in its class. By mounting a disk directly into your system's memory, you bypass the physical limitations of traditional hardware. Despite this power, the software lacks an automated save on exit feature for RAM disks. Because RAM is volatile, any data not manually backed up or handled by the application will be permanently lost upon a system shutdown or sudden crash.

For those frequently working with optical media, the ISO mounting support is a welcome addition. It eliminates the need for physical discs and speeds up access times significantly. Users should be aware, though, that this does not support some of the more obscure or proprietary image formats found in competing paid products. If you strictly use standard industry formats like ISO, BIN, or VMDK, you likely won't run into issues.

Final thoughts

OSFMount is an essential tool for anyone needing a reliable, fast, and secure way to manage virtual drives. Its dual-purpose nature, serving both the high-stakes world of digital forensics and the high-speed world of RAM disks, makes it a unique entry in the utility space. While it requires a bit of technical knowledge to master, the performance gains and data safety features are well worth the learning curve.

• Released version