Opening an SBJ File

The SBJ file type is primarily associated with SmartDraw.

SBJ	File extension: SBJ
	File type:	compound data file

What is an SBJ file?

SBJ files mostly belong to SmartDraw.

SmartDraw Shape File: Many SBJ files use the Microsoft Compound format. They hold shape data that can be used in diagrams and even store elements of a 3D model.

z-Tree Experimental Data File: Other SBJ files record experimental data for the z-Tree system. This data is used in research settings. For details, visit z-Tree.

Survey Data File: Some files with this extension hold subject information from surveys or research projects.

• They rely on the internal Microsoft Compound structure to embed multiple data streams.
• Opening the file correctly means using its native software.
• Inspecting the file header with a hex editor can help determine its true origin.

FilExt.com note: If your SBJ file came from SmartDraw, use SmartDraw to open it. If it came from an experiment or survey, check for z-Tree or related research software.

How to open SBJ files

You need a suitable software like SmartDraw to open an SBJ 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 SBJ file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SBJ file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SBJ Text Viewer

Choose your .sbj file to analyze

or drag and drop it here

Online File Viewer

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SBJ format details:

The file format determines how the data is stored in the file. 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. If the file extension or signature does not match the file format, errors will occur when opening or editing the file. When there is a problem with a file, the first step to solving it is to determine the file format. Below is our analysis of the SBJ files:

SBJ is not a common file extension and is used by different programs with different formats. The two most popular formats are as follows:

• 45% of all SBJ files utilize the Microsoft Compound File format, known also as OLE2 Compound Document format or Composite Document File format. This file format is used by previous Microsoft Office programs and other Windows programs and stores the data in complex containers and sections. The Compound Document format is always starting with the bytes D0 CF 11 E0 A1 B1 1A E1. The file contains sections ITEM0, ITEM1, ITEM16, ITEM17, ITEM18, ITEM19, ITEM2, ITEM22, ITEM23, ITEM25, ITEM26, ITEM28, ITEM29, ITEM3, ITEM30, ITEM33, ITEM34, ITEM35, ITEM36, Info and ITEM10. SBJ files are between 92 KB and 1 MB in size. The file type is very old and rarely used today. The file name ANIMAL_2.SBJ or BUSINESS.SBJ is typical for these files. Files like these are sometimes connected to animals.
• 20% of all SBJ files start with the bytes Z:\share\scratch\202 crucial for this file format. These files are text files, so they contain words and text. The average file size is 1 KB with most files being between 290 bytes and 2 KB in size. The following keywords are characteristic: Subject, client, client2, client3, client4, client5, client6, scratch, share, client1, client9, client7, client8 and clear.

All other SBJ files (35%) have different formats. Just click the "Choose your .sbj file to analyze" button on this page to find out what your SBJ file is.