Opening an NH File

The NH file type is primarily associated with NHReader.

NH	File extension: NH
	File type:	document

What is an NH file?

NH files mostly belong to NHReader. NH files serve different specialized functions depending on their content.
For many users, these files hold Chinese academic journal articles that are formatted for dedicated reading. They store scholarly text and images in a layout best viewed with software such as NHReader or its alternative, NJStar Japanese WP.
Other NH files contain Northern Hemisphere teleconnection indices that act as climate index data files. These are used in studies of atmospheric patterns and weather research. More details on climate data and its handling can be found at the NOAA CPC website.
Key details summarized by FilExt.com include:

Academic Content: Digital journal articles with structured text and images.

Climate Data: Numerical indices and metadata for weather analysis.

Software Specifics: Open academic files with NHReader/NJStar and use dedicated data tools for climate indices.

FilExt.com note: Ensure you choose the correct application for viewing and working with these files.

How do you open NH files?

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

Online NH Text Viewer

Choose your .nh file to analyze

or drag and drop it here

Online File Viewer

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NH file extension format:

The file format determines how the data is stored in the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. So you need a detailed analysis of a file to find out the format and the associated program. Our evaluation of the NH files is as follows:

NH is not that commonly used as a file extension. This file type is mainly used by one program with a specific format. The following file formats are most commonly found in NH files:

• 80% of all NH files start with the bytes 48 4E 00 00 90 01 00 00 88, which are crucial for this file format. If you open these files in a text editor, you will see only illegible characters. NH files are between 2 MB and 19 MB in size. The file type is old but is used even today. Several words can almost always be found in the files, e.g. Tsinghua Tongfang Optical Disc Co.,Ltd. Files like these have the following tags: research and cmos.
• 8% of all NH files start with the bytes STANDARDIZED NORTHERN HEMISPHERE TELECONNECTION INDICES, which are crucial for this file format. The contents of these files can even be read by a human. The files are often between 64 KB and 65 KB in size. The files contain the following words: STANDARDIZED NORTHERN HEMISPHERE TELECONNECTION INDICES (1981-2010 Clim), colu, column 1: Year (yy), column 2: Month (mm), column 3: North Atlantic Oscillation (NAO) and column 4: East Atlantic Pattern (EA). Some examples of file names are tele_index.nh. These files are attributed to index and tele.

All other NH files (12%) have different formats. They are often associated with tree. Just click the "Choose your .nh file to analyze" button on this page to find out what your NH file is.