1ST file extension
The table below provides useful information about the .1st file extension. It answers questions such as:
- What is the .1st file?
- What program do I need to open a .1st file?
- How can the .1st file be opened, edited or printed?
- How can I convert .1st files to another format?
Table of Contents
- ✅ Visual FoxPro Documenting Wizard List
- ✅ Readme Document
- 🔄 .1st file converters
- 🚫 .1st file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 1 alias(es) found in database
✅ Visual FoxPro Documenting Wizard List

The 1ST file is a Visual FoxPro Documenting Wizard List. Visual FoxPro is a data-centric object-oriented and procedural programming language produced by Microsoft.
✅ Readme Document

The README file is a Readme Document. A README is a text file that introduces and explains a project.
Other types of files may also use the .1st file extension.
🚫 The .1st file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .1st 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 cannot open this file:
example.1st
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .1st file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .1st file extension, write to us!