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File Extensions

Clear explanations, compatible software, and practical guidance for file extensions.

8
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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8 extensions
Data Letter: N Clear all
.NDF

SQL Server Secondary Data File

Data
.NDX

Index File

Data
.NETCDF

Network Common Data Form

Data
.NFC

Nintendo Family Computer ROM

Data
.NKSN

Unrecognized File Format

Data
.NOS

Nokia Operator Settings File

Data
.NUMBERS

Numbers Spreadsheet

Data
.NX PART (.PRT)

NX Part File (.prt)

Data
.NDF

SQL Server Secondary Data File

Data
.NDX

Index File

Data
.NETCDF

Network Common Data Form

Data
.NFC

Nintendo Family Computer ROM

Data
.NKSN

Unrecognized File Format

Data
.NOS

Nokia Operator Settings File

Data
.NUMBERS

Numbers Spreadsheet

Data
.NX PART (.PRT)

NX Part File (.prt)

Data

Frequently Asked Questions

Everything you need to know about file extensions

You can search by entering a file extension directly in the search bar or browse the directory by category or alphabetical index.

Each listing provides a definition of the file extension, common use cases, compatible software, supported platforms, and related or alternative formats.

The database is updated regularly to reflect new file extensions, changes in software compatibility, and evolving file format standards.