You're here because you have a file that has a file extension ending in .dal. Files with the file extension .dal can only be launched by certain applications. It's possible that .dal files are data files rather than documents or media, which means they're not meant to be viewed at all.

Speedbit developed the Download Accelerator Plus software, and this application can be used to export and import the content stored in these DAL files. Files saved in the DAL file format are appended with the .dal extension and are specifically called Download Accelerator Plus URL list files. URLs of download locations of certain digital multimedia content like videos, audio files, applications and digital books can be stored in data files supported by particular programs like the DAP (Download Accelerator Plus) program, a download management application. Users of Microsoft Windows-based systems can install the Download Accelerator Plus program to start accessing the lists of download locations stored in a DAL file, and these DAL files can also be shared with multiple DAP users via the DAL importing and exporting functionalities implemented into the Download Accelerator Plus software. This application also provides a feature where users can resume downloads that have been paused by the user or were stopped by the application due to Internet connection problems.

Launch a .dal file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .dal file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .dal files aren't yet associated with it. In this case, when you try to open a .dal file, you can tell Windows which application is the correct one for that file. From then on, opening a  .dal file will open the correct application. Click here to fix .dal file association errors

Be careful not to rename the extension on .dal files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

A file extension is the set of three or four characters at the end of a filename; in this case, .dal. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.