DO File - opening and understanding

Did your computer fail to open a DO file? We explain what they are used for and recommend software that we know can open or otherwise handle your .DO files.

What is a DO file?

The files that contain the .do file extension are normally used to generate dynamic Web pages for websites on the Internet. The DO files contain Java program pages that have been created with the purpose of being run by a web server, with the information then being transferred back to the user's Web browser.

Files with the .do file extension work much in the same way that a PHP file works. The DO files are also known as Java Struts Application Files because the DO file provides an associated URL with the ability to "map" to specified Struts actions.

How to open DO files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension DO for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different DO openers which you will find listed below.

Suggest another file format using extension DO

While we know of one file format using the .DO file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .DO file.

Various viewers for this file format

These apps are known to open certain types of DO files. Remember, different programs may use DO files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Free File ViewerFree File ViewerUser submitted
WinRARWinRARUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
Adobe AcrobatAdobe AcrobatUser submitted
Aldec Active-HDLAldec Active-HDLUser submitted
Notepad++Notepad++User submitted
QuickTimeQuickTimeUser submitted
SumatraPDFSumatraPDFUser submitted
Foxit ReaderFoxit ReaderUser submitted
Adobe PhotoshopAdobe PhotoshopUser submitted
We have not verified any software that we know for certain will work with DO-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with DO-files. If you know one, please use the 'Suggest a program' link below and tell us about it!