What to do When BLU Files Won’t Open

Why won’t your BLU 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 BLU 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 BLU files, including Apple Binary 2 Library Utility Archive, Blue Compiler Blue Source File, and blue Database software. Try downloading one or more of these from the manufacturer’s website to open your BLU file.

What type of file is it?

The file type is the key to opening BLU files. BLU files are usually considered Plugin 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 BLU file, a software developer might be able to help you. Contact the developer of one of the most common programs for BLU files from the list below.

Software Developer
Apple Binary 2 Library Utility Archive is developed by Microsoft Programmer
Blue Compiler Blue Source File is developed by Monash University
blue Database is developed by walkingtoyou.com

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 BLU 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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1File types that are unsupported can be opened in binary format.

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