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>> 73K file

73K file format description

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

1 filename extension(s) found in our database.

.73k - TI-73 Application

73K file is a TI-73 Application. 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.

.73k file format description:
73K format
TI Navigator
Application files
- / -
TI-73 Application related links:
TI-73 Application related extensions:
TI-73 Backup
TI-73 Constant
TI-73 Data List
TI-73 Explorer OS Upgrade File
TI-83 Backup Memory Image
TI-83 Complex Variable Data

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

Can't open a .73k 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 .73k file extension is often given incorrectly!

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

3k, 73u, 73, 73l

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

APP Keyboard Definition Data
TI-73 Data List
TI-73 Explorer OS Upgrade File

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