How to open DCU files

Did your computer fail to open a DCU file? We explain what DCU files are and recommend software that we know can open or convert your files.

What is a DCU file?

The DCU file extension indicates to your device which app can open the file. However, different programs may use the DCU file type for different types of data.

We are aware of 2 different uses of the DCU extension, which you can read more about below.

Borland Delphi 6 Library

Through our analysis of DCU files, we know that one use of the format is Borland Delphi 6 Library. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Delphi 7 Compiled Unit

Through our analysis of DCU files, we know that one use of the format is Delphi 7 Compiled Unit. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix DCU files

These apps are known to open certain types of DCU files. Since many different programs may use DCU files for different purposes, you may need to try a few of the apps to open your specific DCU file.

DragnCrypt ULTRADragnCrypt ULTRAUser submitted
DelphiDelphiUser submitted
DecisionMaxDecisionMaxUser submitted
StandardStandardUser submitted
We have not verified any programs that we know for certain can work with DCU-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with DCU-files. If you know one, please use the Suggest link below and tell us about it!