A cuj file extension is related to the Personal Backup application for Microsoft Windows.

Detailed description

Software that open cuj file

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CUJ file extension - Personal Backup data

What is cuj file? How to open cuj files?

File type specification:

Various data file type icon Various data file type

The cuj file extension is related to the Personal Backup, a software for Microsoft Windows operating system that allows users to backup their case sensitive data.

The cuj file stores some kind of data used by Personal Backup application.

The default software associated to open cuj file:

Personal Backup picture or screenshot

Personal Backup  Microsoft Windows software

Company or developer:
J. Rathlev, IEAP, Kiel University

Personal Backup is backup solution for Microsoft Windows that aving personal data to any destination folder. This folder may be located on a local fixed or removable drive, on a Windows network server or on an FTP server.


Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

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

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

Unspecified and all other actions for computer programs working with cuj file - Personal Backup data

Click on the software link for more information about Personal Backup. Personal Backup uses cuj 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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