EldoS | Feel safer!

Software components for data protection, secure storage and transfer

Creation of a virtual disk in VCL

If you have a disk image, which should be exposed a virtual disk with a drive letter in Windows, CallbackDisk is a right component for your Delphi or C++Builder application.
If just need a storage for your data, that will reside in the cloud and still be visible as a virtual drive, CallbackDisk can do the job as well.

With CallbackDisk you can create a virtual drive from within your VCL application without kernel-mode coding. CallbackDisk includes a pre-created disk device driver and the API library for use in your VCL project.

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Release versions

History of Changes - Version 3.1.106. Released on 17 October 2015.
History of changes.

CallbackDisk evaluation (ZIP archive) - Version 3.1.106. Released on 17 October 2015.
CallbackDisk™ evaluation for Windows 10, Windows 2012 Server R2, Windows 8.1, Windows 2012 Server, Windows 8, Windows 2008 Server R2, Windows 7, 2008 Server, Windows Vista, Windows XP.
Request the evaluation key for CalbackDisk.
This is a zipped installer for the developers component and documentation files


Check the price list. Free Non-commercial and private business licenses are available.


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As of July 15, 2016 EldoS business operates as a division of /n software, inc. For more information, please read the announcement.

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