Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .1st

0 extension(s) and 1 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .1st file?
  • Which program can create the .1st file?
  • Where can you find a description of the .1st format?
  • What can convert .1st files to a different format?
  • Which MIME-type is associated with the .1st extension?
Readme Text .me file icon

Readme Text

ME file is a Readme Text. The readme file is a simple text file. (, readme.txt, readme.1st,, etc.)
Category: Document files
Application: Notepad
Program name: notepad.exe
Mime-type: text/plain
Magic bytes (HEX): -
Magic string (ASCII): -
1st, eng, ger, jpn, moi, rls
Related extensions:
Archive Description
Plain Text Document
NFO File
Frequently Asked Questions Text
BBS Directory List
Program Update Information
GPL License File
Readme Document
Unicode Text File

Other types of files may also use the .1st file extension. If you have helpful information about .1st extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

General List File
Worksheet Builder Worksheet Template
Intuit Quicken v4 Data File
Adobe Font List
Atari ST Standard Floppy Disk Image
GCC Assembler Listing File
Neopaint Stamp
E-Sword v8 Verse List
WinSSHD Settings

The .1st filename extension is often given incorrectly!

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

1t (1), st (1), lst (1), wst (1), qst (1)

Can't open a .1st file?

If you want to open a .1st file on your computer, you just need to have the appropriate program installed. If the .1st association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.1st

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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