>> 73Z file

73Z file format description

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

1 filename extension(s) found in our database.

.73z - TI-73 Calculator Zoom Data

The 73Z data files are related to TI Navigator. The 73Z file is a TI-73 Calculator Zoom Data. 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 Zoom Data related extensions:
DTerm Licence Data
Sony PSP Firmware Archive
PCjr Cartridge ROM Image
ANSYS Workbench Database Backup
CACAO Cartesian Chemical Modeller Data

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

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

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

73s, 7z

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

7-Zip Archive
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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