B4U file format description

Many people share .b4u files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .b4u file can be edited, converted or printed with. On this page, we try to provide assistance for handling .b4u files.

1 filename extension(s) found in our database.

.b4u - docPointer Visual ReadMe Document

The B4U document files are related to docPointer. The B4U file is a docPointer Visual ReadMe Document. DocPointer is a Visual ReadMe software. B4U files are an easier way to visualize documents and web sites using graphics and links.

Document files
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docPointer Visual ReadMe Document related extensions:
docPointer Visual ReadMe Data

Naturally, other applications may also use the .b4u file extension. Even harmful programs can create .b4u files. Be especially cautious with .b4u files coming from an unknown source!

Can't open a .b4u file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .b4u file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

b4, bru, btu, bu

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Diablo BTU Calculator and Reporting Data
Atari ST DEGAS Elite Brush Data
Pegasus Mail BU File
SAP Business One BackUp Data
VTrain Data File
Brutus Restore Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .b4u file format, then write to us!

DataTypes.net >> B4U file