Details of the .pl1 file extension
The table below provides useful information about the .pl1 file extension. It answers questions such as:
- What is the .pl1 file?
- What program do I need to open a .pl1 file?
- How can the .pl1 file be opened, edited or printed?
- Where can I find the specifications for .pl1?
- Which MIME-type is associated with the .pl1 extension?
- How can I convert .pl1 files to another format?
- What are other, similar filename extensions to .pl1?
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
PL/I Source Code
PL1 file is a PL/I Source Code. PL/I (Programming Language One) is a procedural, imperative computer programming language designed for scientific, engineering, business and systems programming applications.
Other types of files may also use the .pl1 file extension.
The .pl1 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 .pl1 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:
Table of Contents
Windows cannot open this file:
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 .pl1 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.
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