What is an NDX file?
An .NDX file is primarily a database index file. Database software uses this file to organize records and speed up data searches. The most common format is a HyperFileSQL database index file created by PC SOFT. However, the .NDX extension is also famously associated with the dBASE Index (Legacy) format used by dBASE and older Ashton-Tate software.
Other applications also use the .NDX extension. It can be a COBOL indexed file, a zipped archive file for The Neat Company document scanners, or an XML drawing created by Nevron MyDraw. Because an .NDX file has multiple possible meanings, it is not always obvious which software created it.
How to open NDX files?
To open an .NDX file, you usually need the original software that created it. You can open a dBASE Index (Legacy) file with dBASE. You can open a HyperFileSQL index with PC SOFT administration tools. If your file is a Neat archive, you can extract it with standard decompression tools like 7-Zip or WinRAR.
Because .NDX files belong to many different programs, we recommend using viewer.online/ndx to identify the actual format of your file. viewer.online/ndx can analyze .NDX files to identify the exact format and creator software, inspect the file structure, extract readable text, and check whether an online preview is available.
Conversion options
If you need to change your file into a different format, you can use convert.guru. If your .NDX file is a zip archive, you can easily convert it to a standard .ZIP file or extract the documents inside as .PDF or .JPG files. Database index files usually do not convert directly to other formats, but identifying them helps you choose the correct database export tools.
Summary
viewer.online/ndx is useful for identifying, inspecting, and understanding .NDX files without installing software or dealing with compatibility problems. It provides a fast and safe way to discover exactly what type of data your file contains.