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HPP file extension

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

  • What is the .hpp file?
  • What program do I need to open a .hpp file?
  • How can the .hpp file be opened, edited or printed?
  • How can I convert .hpp files to another format?

Table of Contents

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

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

✅ C++ Header File

HPP file is a C++ Header File. C++ is a general-purpose programming language. It is a statically-typed free-form multi-paradigm language supporting procedural programming, data abstraction, object-oriented programming, and generic programming.
Application: Visual C++
Mime-type: text/plain
Magic number: -
Magic string: -
Sample: -
HPP aliases:
hh, hxx
HPP related links:
HPP related extensions:
Assembly Source Code

C Source Code

C++ Source Code

Visual C++ Dialog

Fortran Source Code

C Header File

Microsoft Visual Studio Workspace Options

Pascal/Delphi Source Code

Visual C# .NET Class

Visual Studio Resource Script

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

🚫 The .hpp file extension is often given incorrectly!

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

bpp, gpp, hlp, hop, hp, hpl, hpo, jpp, mpp, npp, php, pp, tpp, upp, ypp

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

HP Graphic Language Document
HotDocs Answer Source
Clarion App Backup
Commodore 64 Pixel Perfect Bitmap
Atari ST Multi Palette Picture
GNU Bison Source Code
Serif Graphics Plus Document
Teleport Pro Project
Art Explosion Publisher Pro Document
HippoDraw Canvas Document

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

🔴 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 .hpp file extension, write to us!

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