Files with CU_ extension could be in the past found as compressed files from Microsoft WinHelp platform.

Detailed description

Software that works with cu_ file extension

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CU_ file extension - Microsoft Windows Winhelp compressed file

What is cu_ file? How to open cu_ files?

File type specification:

Archive and compressed file type icon Archive and compressed file type

cu_ file icon: cu_ filetype icon

The CU_ file extension was used in some previous version of Microsoft Windows for one of the compressed files utilized by WinHelp.

Microsoft WinHelp is a proprietary format for online help files that can be displayed by the Microsoft Help browser.

The default software associated to cu_ file type:

Microsoft Windows icon

Microsoft Corporation logo Microsoft Windows  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Windows is a family of operating systems developed by the Microsoft Corp.. The first Windows was released in 1985 as a GUI add-on to MS-DOS.  MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Windows 10.

Help how to open CU_ files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension CU_:

As far as we know, this .cu_ file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .cu_ file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open cu_ file, edit cu_ file, convert cu_ file, view cu_ file, play cu_ file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others cu_ file

Unspecified and all other actions for computer programs working with cu_ file - Microsoft Windows Winhelp compressed file

Click on the software link for more information about Microsoft Windows. Microsoft Windows uses cu_ file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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