What to do When 003 Files Won’t Open

Why won’t your 003 file open? You’ve tried double-clicking it, but it doesn’t come up, or you see an error message. So what do you do? This is a common issue with various file extensions because many extensions can be opened by multiple programs, and many programs can open a variety of extensions. It sounds confusing, but it's a lot easier to understand than you might think!

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Which program should you use?

Your computer may be trying to use the wrong program to open the 003 file, or it may not have a program installed that can open the file. There are a few different programs you can use to open 003 files, including Unknown Apple II File, International S-57 Hydrographic Data Electronic Navigation Chart, and Driveimage5 Setup File software. Try downloading one or more of these from the manufacturer’s website to open your 003 file.

What type of file is it?

The file type is the key to opening 003 files. 003 files are usually considered Uncommon Files. You may already have a program on your computer that can open this type of file.

If the file type is unknown, you can find it in the file properties by following the steps below.

Computer Files
Windows:
  1. Right-click the file and click “Properties”.
  2. Look under “Type of File” for the file type.
Mac:
  1. Right-click the file and click “Properties".
  2. Look under “Kind” for the file type.

Who developed the software?

If you can’t find the right program to open your 003 file, a software developer might be able to help you. Contact the developer of one of the most common programs for 003 files from the list below.

Software Developer
Unknown Apple II File is developed by found on Golden Orchard Apple II CD Rom
International S-57 Hydrographic Data Electronic Navigation Chart is developed by US NOAA / US Army Corps of Engineers
Driveimage5 Setup File is developed by Unknown

Why not try a universal file viewer?

A universal file viewer is a program that can open files with a wide range of extensions, depending on the file format. When you have 003 files you can’t open, a universal file viewer like File Magic (Download) can open it for you. Just remember that some files aren’t compatible with this type of program, and they will only open in binary format.


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