EldoS | Feel safer!

Software components for data protection, secure storage and transfer


Instant control over file and folder operations in Windows and .NET applications

CallbackFilter lets you monitor and control disk activity, track file and directory operations (create, read, write, rename etc.), alter file data, encrypt files and much more...

CallbackFilter is a component for use in software development for Windows® platform.

Technical support

Questions related to software installation, activation and usage -- please take a look at our support policy describing available options in detail. We recommend to follow these steps for fastest problem resolution:

  1. Please use Site Search first.
  2. Look in the CallbackFilter knowledgebase & FAQ. It contains wealth of information about our products, how-to's, tutorials, and whitepapers.
  3. Browse documentation (Help file) online;
  4. CallbackFilter Forum is a useful tool for support questions and product discussions. All questions are answered by EldoS staff. Forums are the preferred way to ask "How do I..." questions.
  5. If the previous steps were not enough, please use our Helpdesk System. Our technical specialists will solve you problem in the shortest time.
  6. For advanced help, such as creation of custom modules or adding new custom functions to our products, you can use the services we offer.
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As of July 15, 2016 EldoS Corporation will operate as a division of /n software inc. For more information, please read the announcement.

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