>> H1K file

H1K file format description

Many people share .h1k files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .h1k file can be edited, converted or printed with. On this page, we try to provide assistance for handling .h1k files.

1 filename extension(s) found in our database.

.h1k - Microsoft Help Keywords Index

The H1K data files are related to Microsoft Windows Help. H1K file is a Microsoft Help Keywords Index. The Microsoft Windows Help seems to be no longer supported.

Microsoft Windows Help
Data files
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Microsoft Help Keywords Index related extensions:
Windows Performance Recorder Recording Profile
PKCS #7 Certificate Request Response File
PKCS #7 Certificate Data
PKCS #7 Certificate Data in Base 64 Format
Microsoft SNA Server Database
Windows Help Bookmark

Naturally, other applications may also use the .h1k file extension. Even harmful programs can create .h1k files. Be especially cautious with .h1k files coming from an unknown source!

Can't open a .h1k 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:

Windows can't open this file:


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

To avoid this error, you need to set the file association correctly.

The .h1k file extension is often given incorrectly!

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

g1k, hk, hlk

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ASCA GIS Housekeeping Data
Warhammer 40000: Dawn of War 2 Animation
Casio Prizm Manager PLUS Key Log

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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