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Baycastle Software is distributed as "try before you buy" software. This allows you to install a fully working version and evaluate its performance for 30 days prior to purchasing a licence. Download a copy today and review our products.


Please register some basic details and then download an evaluation copy.

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Baycastle Software has a strict privacy policy and your details will not be passed to any other party. If you wish your details to be removed from our registration list please email us at Baycastle.

Let us know how we are doing

After you have downloaded our software it would help us if you let us know what you think. Please email us at Baycastle. Include for example:




Ease of use



Quality of the user interface



How good is the Help file?



Did the software do what you needed?



What new features would you like to see included?

CLEAN Software certified by Clean Softs Professional Association
DataSlave received 100% CLEAN award on


If you have time, please help us and give DataSlave a review at DOWNLOAD.COM.

Alternate download


What is a Null?

A Null and an empty string are not the same. We discuss when a Null is found in the data and how it is used.

Handling abbreviations in your data

We discuss how to handle abbreviations found in your source data. DataSlave offers a tool to abbreviate and indeed "de-abbreviate" data.




Data Export / Data Import / Data Validation