.1ST File Extension
Readme File
Developer: N/A
Learn about .1ST files and view a list of programs that open them.
What is a .1st file?
Learn about .1ST files and view a list of programs that open them.
More Information
1ST files are not as commonly used as the filenames README or readme.txt.
Technical Details
1ST files are not as commonly used as the filenames README or readme.txt.
How to open .1st files
To open a .1st file, you need compatible software that supports this file format.
Programs that open .1st files:
Windows
Open over 400 file formats with File Viewer Plus.Free Download
Microsoft Notepad
Quick Facts
- File Extension
- .1st
- Developer
- N/A
- File Type
- Readme File
- Last Updated
- 2025-11-02T02:43:26.544Z