Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .73u

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

Below, you can find answers to the following questions:

  • What is the .73u file?
  • Which program can create the .73u file?
  • Where can you find a description of the .73u format?
  • What can convert .73u files to a different format?
  • Which MIME-type is associated with the .73u extension?
TI-73 Explorer OS Upgrade File .73u file icon

TI-73 Explorer OS Upgrade File

73U file is a TI-73 Explorer OS Upgrade File. 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.
Category: Other files
Application: TI Navigator
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
TI-73 Bitmap
TI-73 Backup
TI-73 Constant
TI-73 Application
TI-73 Data List
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 .73u file extension. If you have helpful information about .73u extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

TI-73 Bitmap
TI-73 Application
TI-73 Calculator Equation Data

The .73u filename extension is often given incorrectly!

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

73 (1), 73y (1), 73i (1), 73k (1)

Can't open a .73u file?

If you want to open a .73u file on your computer, you just need to have the appropriate program installed. If the .73u association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.73u

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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