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.

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:

example.73k

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.

• Open Control Panel > Control Panel Home > Default Programs > Set Associations.
• Select a file type in the list and click Change Program.

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:

.3k

APP Keyboard Definition Data

.73l

TI-73 Data List

.73u

TI-73 Explorer OS Upgrade File

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