DO File Type

- The quick facts

What are DO files and how to open them

Are you having problems opening a DO file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your 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

Important: Different programs may use files with the DO file extension for different purposes, so unless you are sure which format your DO file is, you may need to try a few different programs.

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

Last updated: March 17, 2022

Various apps that use files with this extension

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.

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
Hancom OfficeHancom OfficeUser submitted
ActiveGS Standalone ApplicationActiveGS Standalone ApplicationUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about DO file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.