Open 1ST file

1ST files: what are they and how do I open them?

1st file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

.1st file type #1: Visual FoxPro, a Microsoft Windows programming language, uses this file for saved documenting wizard lists

Files with 1st file extension are mostly related to Visual FoxPro, development tool. Documenting wizard list file.

Further details:

The 1st file extension is mainly related to Visual FoxPro, a programming language and development environment for Microsoft Windows and used for files that contain saved documenting wizard list.

Most likely used in some of the older versions of Visual FoxPro.

Open file with:

Visual FoxPro icon

Visual FoxPro

A set of tools used to create database applications and components

.1st file type #2: Readme text files associated with applications and storing basic information and usage instructions, viewable in any text editing tool

A 1st file extension is related to instruction text files distributed with some applications.

Further details:

The 1st file extension is associated with the text files that are distributed with applications.

The 1st file stores information and instructions for app.

It is viewable in any text editing tool like Windows Notepad, Notepad++ etc.

Open file with:

NotePad++ text editor icon

NotePad++ text editor

A free source code and text editor for Windows

Sublime Text icon

Sublime Text

A sophisticated source code editor for programmers

Sublime Text for Mac icon

Sublime Text for Mac

A sophisticated Mac source code editor for programmers

Sublime Text for Linux icon

Sublime Text for Linux

A sophisticated Linux source code editor for programmers

PSPad icon


A freeware code editor for Windows

Microsoft Windows NotePad icon

Microsoft Windows NotePad

The basic simple text editor included in Microsoft Windows operating systems

TextEdit icon


The default text editor in MacOS

gedit icon


The official text editor of the GNOME desktop environment

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.1st" has the file extension "1st". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.