Opening an N3R File

The N3R file type is primarily associated with WV-ASE202.

N3R	File extension: N3R
	File type:	surveillance video

What is an N3R file?

N3R files mostly belong to WV-ASE202 by Panasonic. N3R is the filename extension of videos recorded with Panasonic's security systems such as the i-PRO network cameras and surveillance system management software such as WV-ASM200, WV-ASE202, and WV-ASE203. N3R files contain video streams (footage), camera related data, timestamps and other information used by the Network Recorder feature of the surveillance system management software. N3R files are stored in a proprietary video format that is only supported by Panasonic security systems. Users may view these videos with ND_Viewer and NX_Viewer software distributed with the Network Recorder of Panasonic surveillance systems.

How to open an N3R file

You need a suitable software like WV-ASE202 to open an N3R file. You need a suitable software like WV-ASE202 from Panasonic to open an N3R 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 N3R file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a N3R file directly in the browser:. Just drag the file onto this browser window and drop it.

Online N3R Text Viewer

Choose your .n3r file to analyze

or drag and drop it here

Online File Viewer

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Unable to Open a .N3R File? Quick Solutions:

Because .N3R files can originate from various specialized programs, they aren't universally openable by standard media players.

1. Identify the Source: If received from a security team or CCTV system, it is likely a Panasonic surveillance video.
2. Check the Header: Open the file in a text editor or hex viewer to inspect its first bytes:
   • Proprietary video headers suggest a surveillance recording.
   • "PK" indicates a zipped archive.
   • Readable XML/JSON implies a configuration file.
3. Use the Original Software: You usually need the original program; try Panasonic WV-ASE202, i-PRO management software, or ask the sender if you are uncertain.
4. Use this Webpage: Drag and drop your .N3R file onto this page to detect its format, extract metadata, and preview contents.

N3R file format:

Each file has a definite file format, that is, how the stored 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. If there are problems opening a file, you must first determine the file format used. Our analysis of the N3R files produces the following result:

You will often come across the N3R file type. This predominantly uses a uniform format. The file formats most commonly found in N3R files are:

• 98% of all N3R files use the same file format, which can be identified by the letters "LIST02dc" at the beginning. The content consists of illegible binary data, which can only be read and interpreted by the associated programs. The files are often between 5 MB and 150 MB in size. It is a modern file type. The following keywords are characteristic: LIST02dc. These files can be linked to filmato, video, kavsagi and caja.

All other N3R files (2%) have different formats. You can get all the details of your N3R file by dragging it onto this page or by clicking the button "Choose your .n3r file to analyze" above.