ExtenDOS 4 Support

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Current version

The current version of ExtenDOS 4 is version 4.10: click here to download an update from earlier versions. Version 4.10 fixes a number of bugs in prior releases and offers full compatibility with the new NF_SCSI interface, available for the Aranym and Hatari emulators. This interface allows ExtenDOS (and CD Writer Suite) to access CD/DVDs that are mounted in a drive on the host system, including CD/DVDs created by CDbackup.

If you wish to upgrade from ExtenDOS Gold, please see how to order.

Translated resource (.RSC) files

The following translations of ExtenDOS 4 resource files have been supplied to us through the generosity of our users. They are being made available to owners of ExtenDOS 4 on an 'as-is' basis: you use them at your own risk.

Although we believe that the translations are substantially correct, we cannot guarantee their accuracy, due to our limited knowledge of the languages concerned. If you discover an error, please let us know so that we can correct it.

If you have any difficulties running ExtenDOS 4 programs using these versions of the .RSC files, please reinstall the distribution versions before contacting us with a problem report.

Download German RSC files for v4.0/v4.01/v4.03/v4.04/v4.05

Download German RSC files for v4.06

 Both archives contain translations by Lars Schmidbauer.


There are no known problems in ExtenDOS 4 at this time.

If you encounter a problem, and you do not have v4.10 installed, please update.

If you have updated to the latest version and are still having problems, you may contact us for assistance by email (preferred) or telephone.

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Last updated 10 October 2016 by Roger Burrows