Files with first file extension can be found as specially formatted text files. Viewable in any text editor.

Detailed description

Software that open first file

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FIRST file extension - Formatted text

What is first file? How to open first files?

File type specification:

Text file type icon Text file type

The first file extension is mainly related to some sort of formatted text file format.

Most likely some old format without support from developer. No further information could be found.

The default software associated to open first file:

NotePad++ text editor icon

Notepad++ Team logoNotePad++ text editor  Microsoft Windows software

Company or developer:
Notepad++ Team

A very popular free text and source code editor. It supports syntax highlighting and syntax folding for C, C++, HTML, ASP, Java, Pascal, PHP, Cobol, CSS etc. Notepad++ also supports plugins to add new features. It is localized to many languages.

Help how to open:

You should be able to view these files in any text editor.

How to convert:

Probably can be converted to other formats.

List of software applications associated to the .first file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open first file, edit first file, convert first file, view first file, play first file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting first files.

Software that open first file - Formatted text

Programs supporting the exension first on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open first file action.

Microsoft Windows:

Main software associated with first file by default:
NotePad++ text editor small icon NotePad++ text editor
Other suggested software:
PSPad small icon PSPad
Sublime Text small icon Sublime Text

Apple macOS / Mac OS X:

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