Opening VB Files

The VB file type is primarily associated with Visual Studio.

VB	File extension: VB
	File type:	source code file

What is a VB file?

VB files mostly belong to Visual Studio. VB files are text files that contain Visual Basic source code used for programming in the .NET framework. They are saved in UTF-8 format, which lets them support modern character sets and symbols.
Main uses:

Developing .NET applications

Writing Windows software components

Implementing business logic through compiled code

FilExt.com tips: These files are best opened in an integrated development environment like Visual Studio. A text editor can display the contents, but using an IDE provides syntax highlighting, debugging, and other coding tools. For more details, visit Microsoft Visual Basic documentation.

How to open VB files

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

Online VB Text Viewer

Choose your .vb file to analyze

or drag and drop it here

Online File Viewer

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VB file format:

Every file has a defined file format, i.e. how the data is arranged in the file. The file format can be deduced from the file extension and the signature. File extension, signature and file format must match; otherwise errors will occur when the file is opened. Knowledge is power - this also applies when dealing with unknown or faulty files. Our analysis of the VB files produces the following result:

The VB file ending is used by a few programs, each with its own file format. The two most popular formats are as follows:

• 30% of all VB files store the data in the UTF-8 file format. UTF-8 is the World Wide Web's most common character encoding for Unicode. UTF-8 files can be viewed with any text editor. These files start with the 3 bytes  (hex: EF BB BF), the so called byte order mark (BOM). The contents of these files can even be read by a human. VB files can be up to 130 KB in size, but are often around 1 KB - 26 KB. The file type is old but is used even today. Certain words are almost always found in the files, such as System, Imports, Runtime and Public Class. The file name Application.Designer.vb or Form1.vb is characteristic of these files. Such files are related to designer, aspx, downloader, module and cong.
• 2% of all VB files start with the bytes 83 4F 9D, which are crucial for this file format. They consist of unreadable binary data. VB files can be up to 230 MB in size, but are often around 59 MB - 200 MB.

All the rest of the VB files (68%) have different formats, often, for example, Sub and Imports. Often described as flash, assembly, emotion, excel, login, vrock, body or info. You can get all the details of your VB file by dragging it onto this page or by clicking the button "Choose your .vb file to analyze" above.