.PLAIN File Extension

Plain Text File

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What is a PLAIN file?

A PLAIN file is a plain text file that can be opened by any text editor. It contains plain text with no special formatting. PLAIN files may be used for a variety of purposes, such as storing a plain text version of a document, a copy of an email in HTML, or a receipt from a business.

More Information

If you receive a PLAIN file you can use any number of free text editors to open the file. Notepad and Wordpad are bundled with Windows, while TextEdit is bundled with macOS.

NOTE: You can change the ".plain" extension to ".txt" to make it a .TXT file.

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Programs that open PLAIN files

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The FileInfo.com team has independently researched the Plain Text file format and Mac, Windows, and Linux apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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