Opening a VIW File

The VIW file type is primarily associated with VNC Viewer.

VIW	File extension: VIW
	File type:	configuration file

What is a VIW file?

VIW files mostly belong to VNC Viewer. VIW files are configuration files that store session settings. They often contain details like window layouts, connection parameters, and authentication data used in remote desktop and SSH sessions.
For example, the primary use is as a Video Insight Window configuration file common with RealVNC setups. Other uses include:

Winbox configuration for MikroTik routers (Mikrotik), where the file saves password and session details.

VNC and SSH session settings used by tools such as KiTTY and iTerm2.

Dashboard views for controllers like Ubiquiti UniFi (UniFi).

Business view configurations in enterprise environments.

FilExt.com tip: This file guides the associated software in automatically setting up and displaying the session environment when you open it.

How to open VIW files

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

Online VIW Text Viewer

Choose your .viw file to analyze

or drag and drop it here

Online File Viewer

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VIW file format:

Every file has a defined file format, i.e. how the data is arranged in the file. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So you need a detailed analysis of a file to find out the format and the associated program. Our analysis of the VIW files produces the following result:

You will often come across the VIW file type. This is used by a few programs, each with its own file format. However, the following two file formats are common:

• 50% of all VIW files start with the bytes 07 00 06 64 62 6F 61 72 64 06 crucial for this file format. These are binary files, so they do not contain words or text. VIW files are between 800 bytes and 15 KB in size. The file type was developed only in the last few years. The files contain the following words: dboard, hpwd, inlc, winsize, wm-id, open, bounds, zoom and maxz. A common filename is 192.168.88.1.viw.
• 7% of all VIW files use the same file format, which have the signature 16 00 04 61 64 64 72. If you open these files in a text editor, you will see only illegible characters. The file size is in the range of 470 bytes to 24 KB. The files contain the following words: autosave, group, keeppwd, openinnew, neigh, addr, loginadmin, romon, rneigh, manalt, noteMikroTik and secure. The file name settings.cfg.viw is typical for these files.

All other VIW files (43%) have no uniform format, such as dboard, info and addr. Sometimes used for router. If you want to find out which format your VIW file belongs to, just click on the button "Choose your .viw file to analyze".