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73D file extension

The table below provides useful information about the .73d file extension. It answers questions such as:

  • What is the .73d file?
  • What program do I need to open a .73d file?
  • How can the .73d file be opened, edited or printed?
  • How can I convert .73d files to another format?

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

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

✅ TI-73 Calculator Graph Database

73D file is a TI-73 Calculator Graph Database. TI-73 is a graphing calculator made by Texas Instruments. It was originally designed in 1998 as a replacement for the TI-80 for use at a middle school level.
73D format description not yet available
Category: Data files
Application: TI Navigator
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
73D aliases:
73D related links:
73D related extensions:
TI-73 Bitmap

TI-73 Backup

TI-73 Constant

TI-73 Application

TI-73 Data List

TI-73 Explorer OS Upgrade File

TI-73 Group Data

TI-73 String Data

TI-73 Real Number Data

TI-73 Calculator Program

Other types of files may also use the .73d file extension.

🚫 The .73d file extension is often given incorrectly!

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

3d, 73c, 73s, 73v, 73w, i3d, u3d, y3d

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

CAD-3D Model
Cadwork 3D Drawing
Yu-Gi-Oh! Online 3 Deck Data
Houdini 3D Texture
Universal 3D File
TI-73 Constant
TI-73 String Data
TI-73 Calculator Vector Data
TI-73 Window Setup Data

🔴 Can't open a .73d 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 .73d 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 .73d file extension, write to us!

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