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Details of the .mshta file extension

The table below provides useful information about the .mshta file extension. It answers questions such as:

  • What is the .mshta file?
  • What program do I need to open a .mshta file?
  • How can the .mshta file be opened, edited or printed?
  • Where can I find the specifications for .mshta?
  • Which MIME-type is associated with the .mshta extension?
  • How can I convert .mshta files to another format?
  • What are other, similar filename extensions to .mshta?

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

.hta file extension details

Microsoft HTML Application

Microsoft HTML Application .hta file icon
HTA file is a Microsoft HTML Application. HTA is an user interface markup language originated by Microsoft.
Category: Application files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HTA aliases:
HTA related links:
HTA related extensions:
Active Server Page

Hypertext Markup Language Document

Multipurpose Internet Mail Extension HTML

HTML Document with SSI


ASP.NET Resource

ASP Include File


ASP.NET Web Service

ASP.NET User Controls

Other types of files may also use the .mshta file extension.

.mshta file extension error

The .mshta 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:

Microsoft Help Asset.File
open .mshta file

Can't open a .mshta 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 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 .mshta file association, check the FAQ.

.mshta file extension

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.

If you have helpful information about the .mshta file extension, write to us!

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