All about HBK Files

The HBK file type is primarily associated with MathCAD.

HBKFile Extension HBK
 File extension: HBK
File type:  handbook

What is an HBK file

HBK files mostly belong to MathCAD by PTC. HBK is the filename extension of a plain text file containing the index (names and hyperlinks) of topics and files in an e-book created by MathCAD 15 or lower. All handbook indexes and their data files are saved in the "handbook\" folder of MathCAD's installation directory. Another type of HBK file contains a file backup compressed and saved on a Synology network-attached storage device. Auto Backup file backup software also assigns HBK filename extension to a compressed data backup archive. Humanic payroll software saves accounting information in HBK files. The HBK file created by Hex Workshop contains a bookmark.

How can I open an HBK file?

You need a suitable software like MathCAD to open an HBK 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 HBK file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HBK 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 HBK files:

  1. MathCAD by PTC
    See the previous paragraphs to learn more about the main application. HBK files are often referred to as MathCAD simple text files because this type of file is primarily created or used by this software.
  2. Auto Backup (backup archive) by Han-soft
    Auto Backup is a Windows application which allows a user to backup files saved on devices across a network. A backup created by this program is saved in a compressed HBK file. This file format is classified as Backup.
  3. Disk Station Manager (data backup) by Synology
    Disk Station Manager is the operating system of network-attached storage devices manufactured by Synology. It saves file backups in a compressed HBK file. This file format is classified as Backup.
  4. HandyCafe (database backup) by Ates Software
    HandyCafe is an Internet café management software. It allows a café's administrator to manage network connections within the local and wide area network. Its database backup is saved in an HBK file. This file format is classified as Backup.
  5. Hex Workshop (bookmark) by BreakPoint
    Hex Workshop is a hex editing Windows application with data visualization support. It saves a bookmark in a HBK file. This file format is classified as Simple text file.
  6. Humanic (accounting data) by Humanic
    Humanic is a professional payroll software compatible with Windows desktop. Accounting information used by Humanic is saved in HBK files. This file format is classified as Data.

HBK file format details:

The file format determines how the data is stored in the file. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So a detailed analysis of a file is vital in order to determine the format and the associated program. Below you will find our evaluation of the HBK files:

You will often come across the HBK file type. This is used by a few programs, each with its own file format. The file formats most commonly found in HBK files are:

All other HBK files (20%) have no uniform format, often, for example, Mac2OSX, zlib and SQL. These files sometimes refer to backup, bookmark, longman, education, express, primary, hong or kong. If you want to find out what your HBK file contains, drag and drop it onto this page.

Technical Data for HBK File Extension

File classification:
Simple text file
Related files:
hbkx, bkpi, hpk, hin, txt, jpg, zip, nomedia, 3, pdf, cfg, exe, xml, sig, db, tx, mcd, xmcd, wmc
Related links:
Convert worksheets from earlier versions of Mathcad to Mathcad Prime?
Mime type:
application/octet-stream

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: MathcadEbook
EXEFile: C:\WINMCAD\MCAD.EXE
ProgramID: MathcadEbook
EXEFile: %ProgramFiles%\Mathcad\mathcad.exe /dde
ProgramID: Hb.Package
EXEFile: %ProgramFiles%\HB++\hb.exe %1
ProgramID: StudyWorksEBook
EXEFile: %ProgramFiles%\StudyWks\STUDYWKS.EXE -n
ProgramID: MathcadEbook
EXEFile: %ProgramFiles%\MathSoft\Mathcad\MCAD.EXE
ProgramID: MathcadEbook
EXEFile: %ProgramFiles%\Mathsoft\MATHCA~1\mathcad.exe
Show all 6 listingsTo Top

an hbk handbook is a special file format by PTC and should only be edited and saved with the appropriate software.

How to solve problems with HBK files

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