Opening an HPP File

The HPP file type is primarily associated with Visual Studio.

HPP	File extension: HPP
	File type:	C++ header file

What is an HPP file?

HPP files mostly belong to Visual Studio by Microsoft. HPP files are developer source code files. They are header files containing source codes written in C++ programming language. The content stored inside these files may include variables, constants and various kinds of data types. These files are mainly classified as developer files that can be inserted into a CPP source code file by using the #include directive.

Main Usage: Programmers use these header files for the separation of some source code elements in the files that are not out of use. In other words, the HPP files are used to store certain components of code that can be taken in use for one or more projects.
Associations:

Haluha Pearls Files: The HPP file extension is also associated with Haluha Pearls, a web-based program used for digital presentation of plastic beads (pearls) designs. These HPP files are saved in text formats and store design pattern of pearls along with details like the color and position of each bead.

How to open an HPP file

You need a suitable software like Visual Studio to open an HPP file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your HPP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HPP file directly in the browser:. Just drag the file onto this browser window and drop it.

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Programs that open and convert HPP files:

Visual Studio by Microsoft
See the previous paragraphs to learn more about the main application. HPP files are often referred to as Visual Studio developers because this type of file is primarily created or used by this software.
C++Builder (C++ header file) by Embarcadero
C++Builder is a rapid application development (RAD) environment for the C++ language. It supports various programming languages, including C++. The HPP extension is used by header files written in C++. The more common extension for these files is H. This file format is classified as Developer. Related links: C++Builder on Wikipedia, HPP Files in Embarcadero Documentation, C++Builder Webinar
Code::Blocks (C++ header file) by Code::Blocks team
Code::Blocks is an open-source Integrated Development Environment (IDE) that supports various programming languages, including C++. The HPP extension is used by header files written in C++. The more common extension for these files is H. This file format is classified as Developer. Related links: Code::Blocks on Wikipedia, Code::Blocks Repository, Code::Blocks User Manual, Code::Blocks Forum Discussion Mentioning HPP Files, Code::Blocks Video Tutorial
Digital Mars C++ compiler (C++ header file) by Digital Mars
Digital Mars C++ compiler is a compiler for the C and C++ programming languages. The compiler was previously named Zortech C++. The HPP extension is used by header files written in C++. The more common extension for these files is H. This file format is classified as Developer. Related links: Digital Mars Compiler & Tools Guide, Digital Mars FAQs, Digital Mars (company) Wikipedia Page Mentioning the Compilers, Zortech in PC Mag 1988
InfoMgr (database file) by RESystems
InfoMgr is a contact management system with a database management program. The software is now discontinued. HPP files are database files for InfoMgr. This file format is classified as Database. Related links: InfoMgr Web Databases, InfoMgr Sample Screens
Notepad++ (C++ header file) by Don Ho
Notepad++ is a an open-source text and code editor. It can be used to write C++ code. The HPP extension is used by header files written in C++. The more common extension for these files is H. This file format is classified as Developer. Related links: Notepad++ on Wikipedia, Notepad++ Repository, Notepad++ Online Help, Running C/C++ Program Using Notepad++
Pearls (Haluha Pearls file) by Haluha Somewhere
Pearls is a web-based program that is used to make digital patterns using plastic beads in the browser called "pearls". HPP is a plain text format that stores saved patterns for Pearls. These files store the color and location of each pearl in a design. This file format is classified as Web (source).

Technical Data for HPP File Extension

File classification:

Developer

Related files:

cpp, hhp, tif, h, jpg, docx, zip, txt, hh, ocx, cs

Mime type:

text/x-c++hdr, text/x-c++src

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: hfile, FileType: C/C++ Header, AppName: Microsoft Visual Studio .NET 2002
EXEFile: devenv.exe

ProgramID: hppfile, FileType: HPP file, AppName: Microsoft (R) Developer Studio

ProgramID: hppfile, FileType: SQ-HoTMetaL project, AppName: HoTMetaL Information Manager

ProgramID: PhotoCenter.Document, FileType: HP Image Document, AppName: HP LaserJet 3300 Software
EXEFile: HPPPHO~1.EXE

ProgramID: UltraEdit.hpp, AppName: UltraEdit-32 Professional Text/Hex Editor

ProgramID: DevCpp.hpp
EXEFile: C:\DEV-C_~1\DevCpp.exe %1

ProgramID: hfile
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET\Common7\IDE\devenv.exe /dde

ProgramID: PhotoCenter.Document
EXEFile: %ProgramFiles%\HEWLET~1\LASERJ~1\HPPPHO~1.EXE /dde

ProgramID: UltraEdit.hpp
EXEFile: %ProgramFiles%\UltraEdit\uedit32.exe %1

ProgramID: DevCpp.hpp
EXEFile: %ProgramFiles%\Dev-Cpp\devcpp.exe %1

ProgramID: VisualStudio.hpp.8.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 8\Common7\IDE\devenv.exe /dde %1

ProgramID: DevCpp.hpp
EXEFile: C:\Dev-C++\DevCpp.exe %1

ProgramID: UltraEdit.hpp
EXEFile: %ProgramFiles%\IDM Computer Solutions\UltraEdit-32\uedit32.exe %1

ProgramID: VCExpress.hpp.8.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 8\Common7\IDE\VCExpress.exe /dde %1

ProgramID: DevCpp.hpp
EXEFile: C:\Dev-Cpp\devcpp.exe %1

ProgramID: CHeaderFile
EXEFile: C:\BC5\BIN\BCW.EXE

ProgramID: CodeBlocks.hpp
EXEFile: %ProgramFiles%\CodeBlocks\codeblocks.exe %1

ProgramID: VCExpress.hpp.8.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 8\Common7\IDE\VCExpress.exe /dde

ProgramID: DevCpp.hpp
EXEFile: %ProgramFiles%\DevCPP\devcpp.exe

ProgramID: DevCpp.hpp
EXEFile: %ProgramFiles%\Dev-Cpp\DevCpp.exe

ProgramID: DevCpp.hpp
EXEFile: %ProgramFiles%1\tFiles\Dev-Cpp\devcpp.exe

ProgramID: DevCpp.hpp
EXEFile: %ProgramFiles%\Dev-Cpp\DevCpp.exe

ProgramID: VisualStudio.hpp.9.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe

ProgramID: VCExpress.hpp.9.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\VCExpress.exe

ProgramID: UltraEdit.hpp
EXEFile: %ProgramFiles%\IDM Computer Solutions\UltraEdit\Uedit32.exe

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an hpp C++ header file is a special file format by Microsoft and should only be edited and saved with the appropriate software.

How to solve problems with HPP files

Associate the HPP file extension with the correct application.
Update your software that should actually open c++ header files. Because only the current version supports the latest HPP file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available Visual Studio update.
To make sure that your HPP file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .HPP file online - secure, fast, and no downloads needed.