>> 73D file

73D file format description

Many people share .73d files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .73d file can be edited, converted or printed with. On this page, we try to provide assistance for handling .73d files.

1 filename extension(s) found in our database.

.73d - TI-73 Calculator Graph Database

The 73D data files are related to TI Navigator. 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.

TI Navigator
Data files
- / -
TI-73 Calculator Graph Database related extensions:
TI-73 Window Setup Data
Sevilla Tournament Data
Sevilla Compressed Tournament Data
Free Hex Editor Neo Patch
BBEdit Text Factory Data
CursorXP Theme

Naturally, other applications may also use the .73d file extension. Even harmful programs can create .73d files. Be especially cautious with .73d files coming from an unknown source!

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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

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

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CAD-3D Model
Cadwork 3D Drawing
Houdini 3D Texture
Universal 3D File
TI-73 Constant
TI-73 String Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .73d file format, then write to us!

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