What is NT? NT is used as the file extension for Windows NT Startup files. .NT files are text files that are used to store start up commands on Windows systems. See the sample .NT file included below.

File Extension: .NT

MIME Type: text/plain

File Content: Windows NT Startup

.NT files are Windows NT Startup files, that are used to store start up commands on Windows systems. Here is a sample .NT Windows NT Startup file, autoexec.nt:

@echo off

REM AUTOEXEC.BAT is not used to initialize the MS-DOS environment.
REM AUTOEXEC.NT is used to initialize the MS-DOS environment unless a
REM different startup file is specified in an application's PIF.

REM Install CD ROM extensions
lh %SystemRoot%\system32\mscdexnt.exe

REM Install network redirector (load before dosx.exe)
lh %SystemRoot%\system32\redir

REM Install DPMI support
lh %SystemRoot%\system32\dosx

REM The following line enables Sound Blaster 2.0 support on NTVDM.
REM The command for setting the BLASTER environment is as follows:
REM    SET BLASTER=A220 I5 D1 P330
REM    where:
REM        A    specifies the sound blaster's base I/O port
REM        I    specifies the interrupt request line
REM        D    specifies the 8-bit DMA channel
REM        P    specifies the MPU-401 base I/O port
REM        T    specifies the type of sound blaster card
...

.NT Windows NT Startup file sample: Click sample.nt to download.

Since .NT files are in text format, you can use Notepad or any text editor to create or modify them. No special software is needed.

For for information on how to use .NT Windows NT Startup files, see links below:

• Windows startup process.