A daily updated filename extension database!

HDPROJ file extension

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

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

✅ hyperDENT Project

HDPROJ file is a hyperDENT Project. HyperDENT is a fully open and expertly automated programming system specifically geared towards processes in dental laboratories.
HDPROJ format description not yet available
Category: Project files
Application: hyperDENT
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDPROJ aliases:
HDPROJ related links:
HDPROJ related extensions:
hyperDENT Parts Data

hyperDENT Parts Archive

hyperDENT Project Archive

hyperDENT Global Allowance Data

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

🚫 The .hdproj file extension is often given incorrectly!

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

dproj, hproj, hxproj, tdproj

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Delphi Project
HOBOware Pro Project
Tables Direct Project
FlashDevelop Project

🔴 Can't open a .hdproj 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 .hdproj 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 .hdproj file extension, write to us!

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