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Navigation: Home > H1W file

Informations about the H1W filename extension and the file formats associated with it

We collected the information you should know about the .h1w filename on this page. If you were sent a(n) .h1w file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.h1w - Microsoft Help Merged Keyword Index

The H1W file is a Data file, which is connected to the Microsoft Help Merged Keyword Index according to our registry. With the adequate settings, the Microsoft Help Merged Keyword Index (.h1w) files can be opened or converted with the help of Microsoft Windows Help.

Format description:
H1W format description not yet available
Category:
Data
Application:
Microsoft Windows Help
Mime-type:
application/octet-stream
Magic string:
- / -
Aliases:
-
Related links:
-
Related extensions:
.bmk
Windows Help Bookmark
.h1c
Microsoft Help Collection Definition
.h1d
Microsoft Help Validator File
.h1h
Microsoft Help Merged Hierarchy File
.h1k
Microsoft Help Keywords Index
.h1q
Microsoft Help Merged Query Index

Important! Programs other than the ones listed above may also use the .h1w file extension. Even harmful programs can create files with the .h1w extension to store data in them. Always be careful with .h1w files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .h1w file can’t be opened on your computer?

If the program necessary for opening the .h1w file is installed properly on your computer, then the quickest and simplest way to open the .h1w file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .h1w file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .h1w extension

The .h1w filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .h1w files.

h1d, hlw, h1q, hw, h1s

Maybe you’re not even looking for the .h1w file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .h1w extension. It’s possible that the one you’re looking for is among them.

.h1d
Microsoft Help Validator File
.h1q
Microsoft Help Merged Query Index
.h1s
Microsoft Help Compiled Help Data
.hlw
Hioki Logger Communicator Waveform Data
.hw
Marvelous Designer Hardware ID Data

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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