A daily updated filename extension database!

HDI file extension

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

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

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

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

✅ Autodesk AutoCAD Heidi Device Interface

HDI file is an Autodesk AutoCAD Heidi Device Interface. It is a plotter/printer driver for Autodesk AutoCAD.
HDI format description not yet available
Category: Other files
Application: Autodesk AutoCAD
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDI aliases:
HDI related links:
HDI related extensions:
Windows Dynamic Linked Llibrary

Windows Device Driver

Autodesk AutoCAD Drawing

Autodesk Drawing eXchange File

IronCAD Scene

System File

Autodesk Design Web Format

Autodesk AutoCAD Heidi Information File

Pro/ENGINEER Neutral Assembly

Cadence Allegro PCB Layout

✅ HotDocs Auto-Install File

HDI file is a HotDocs Auto-Install File. HotDocs is a document assembly software package currently owned and marketed by HotDocs Limited.
Category: Data files
Application: HotDocs
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HDI aliases:
HDI related links:
HDI related extensions:
HotDocs Template Library

HotDocs Clause Archive

HotDocs Publish Settings File

HotDocs Auto-Assemble File

HotDocs Registration File

HotDocs Answer Library

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

🚫 The .hdi file extension is often given incorrectly!

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

bdi, di, gdi, hci, hd, hdk, hdl, hdo, hdu, hei, hfi, hi, hid, hvi, hwi

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Sony Playstation 2 SCEI Instrument Set Data
Microsoft Help 2 Compiled Help Index
D Language Source Code
PTC Creo BDI File
BrailleNote Apex Upgrade Installation File
HP Printer Font Data
HotDocs Template Library
PANalytical Peak Data
MAME Highscore Data
HelpDesk One Data

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

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