Opening a DET File

The DET file type is primarily associated with Eudora.

DET	File extension: DET
	File type:	data file

What is a DET file

DET files mostly belong to Eudora. The DET file extension is used by different applications to store data in a format specific to that program. In some cases, a DET file may contain an email message created by the Eudora client. In other cases, it may hold payroll information, 3D model data for game characters (such as Gundam models), or a clearing house report from financial systems used in the Philippines.
How to Open and View:

If the file is an email message, use the Eudora email client or a compatible mail program.

If it contains payroll or financial data, open it with the corresponding accounting or reporting software.

If it is a game model file, use 3D modeling or game development tools that support that specific format.

FilExt.com tip: For further details on the email format, you can review the Eudora Email Client Source Code page. Always be sure to check the file’s origin since DET files do not follow one universal standard and their functionality depends on the creating application.

How to open DET files

You need a suitable software like Eudora to open a DET file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DET file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DET file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DET Text Viewer

Choose your .det file to analyze

or drag and drop it here

Online File Viewer

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DET file format details:

If you can determine the file format, the associated program can also be determined. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. When there is a problem with a file, the first step to solving it is to determine the file format. Our evaluation of the DET files is as follows:

DET is seldom used as a file extension and covers a large number of different file formats. The following file formats are most commonly found in DET files:

• 10% of all DET files use the same file format, which can be identified by the letters "04 00 58 52 02 00 58 52 01" at the beginning. If you open these files in a text editor, you will see only illegible characters. DET files can be up to 1 MB in size, but are often around 66 KB - 1 MB. Files like these are about rifle, fullarmor, gundam and sniper.
• 10% of all DET files start with the bytes DP1 , which are crucial for this file format. The content consists of readable text data, which can be read using a text editor. A typical file size is 53 KB. Several words can almost always be found in the files, e.g. DP1   080   000 and Resource.

All other DET files (80%) have different formats, often e.g. DATE. Sometimes used for calendar, details or back. If you want to find out what your DET file contains, drag and drop it onto this page.