>> 1T file

1T file format description

Many people share .1t files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .1t file can be edited, converted or printed with. On this page, we try to provide assistance for handling .1t files.

1 filename extension(s) found in our database.

.1t - Fortran 1T Data

The 1T development files are related to Fortran Tools. The 1T file is a Fortran 1T Data. Fortran is a computer programming language originally developed in the 1950s. It is still used for scientific computing and numerical computation half a century later. It is sometimes considered the earliest cross platform (standardized) programming language.

Fortran Tools
Development files
- / -
Fortran 1T Data related extensions:
PDP-10 Sub File Directory Data
True BASIC Applet
Code::Blocks Assembly Source Code
WinDev Windows Compilation Data
TTCN-3 Script
RevaSoft ULC Application

Naturally, other applications may also use the .1t file extension. Even harmful programs can create .1t files. Be especially cautious with .1t files coming from an unknown source!

Can't open a .1t file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .1t file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

lt, qt, t1, wt

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Male MRI Image
WiredTiger Database Dump
QuickTime Movie
Moltemplate Data File
Progress OpenEdge Transaction Log

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .1t file format, then write to us!