This article describes what an HWP file is, all the different ways you can view or edit one, and how to convert one to a more recognizable format like DOCX, RTF, or PDF.

What to Know

  • An HWP file is a Hanword Document file.Open and edit with OpenOffice Writer or LibreOffice Writer.Convert to DOCX, PDF, etc. with those same programs.

What Is an HWP File?

A file with the HWP file extension is a Hanword Document file, or sometimes called a Hangul Word Processor file. This format was created by the South Korean company Hancom.

It’s similar to Microsoft Word’s DOCX format, except that it can contain Korean written language, making it one of the standard document formats used by the South Korean government.

How to Open an HWP File

Probably the quickest way to view an HWP file is to upload it to Cloud HWP Viewer. It provides an incredibly simple way to not only view the document, but also copy text out of it, save images, and print the document, all without needing to install anything on your computer.

HWP is also an abbreviation for things that have nothing to do with a word processor, like Hewlett-Packard Company (its old stock symbol, replaced by HPQ) and health and welfare plan.

For editing support, use OpenOffice Writer or LibreOffice Writer, two completely free and powerful word processor programs. Know, however, that when saving the document in either of those programs, you have to choose a different format (like DOC or DOCX) because they don’t support writing back to an HWP file.

Microsoft provides a free tool for opening the format, too, called Hanword HWP Document Converter. Installing this lets you use Word to open the HWP file by converting it to DOCX.

Hancom Office is another HWP viewer/editor, but it’s only free during the trial period. It can open not only HWP files but also HWPX and HWT files, which are similar file formats. This free file viewer supports other Hancom Office formats, too, like CELL, NXL, HCDT, SHOW, and HPT, as well as MS Office file formats.

Microsoft Office, OpenOffice, and LibreOffice can open HWP files only if they were created with Hangul ‘97—newer versions of the HWP file can’t be used with these applications.

Hancom Office Online, also not free, lets you view HWP files online.

How to Convert an HWP File

If you’re already using one of the HWP editors from above, like LibreOffice Writer, you can export or convert the HWP to DOC, DOCX, PDF, RTF, and other document formats.

If you find that an application on your PC does try to open the file but it’s the wrong application or you’d rather have another installed program open it, learn how to change file associations in Windows so that the right program opens HWP files.

The Cloud HWP Viewer linked above lets you download the document as an HTML file. It also dumps all the images from the document into a separate folder for easy viewing.

Still Can’t Open It?

If your file still won’t open after trying the suggestions above, there’s a good chance you’re misreading the file extension. Some files use a similar file extension even though the formats are completely unrelated.

For example, you might be confusing Hedgewars Saved Game or Demo files, which use the HWS and HWD file extension, for an HWP file. Those types of files are used with the Hedgewars game and can’t be opened with any of the HWP openers/editors above.

WPH is another example where all the same file extension letters are used but instead of being related to a document file format, they’re actually in the Phoenix BIOS file format and are used as BIOS files.

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