>> III file

III file format description

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

1 filename extension(s) found in our database.

.iii - Know Your Stuff File

The III data files are related to Know Your Stuff. III file is a Know Your Stuff File. Know Your Stuff is a free online inventory service provided by the Insurance Information Institute.

Know Your Stuff
Data files
- / -
Know Your Stuff File related extensions:
KeePass v2 Language Data
KeePass v1 Password Database
Keyman Desktop Virtual Keyboard File
Keyman Desktop Package
Keyman Desktop Compiled Keyboard File
KeePass v2 Password Database

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

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

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

ii, iil, ili

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

IconWorkshop Extended Information
Norton CleanSweep Installation Log

Operating systems

DataTypes.net 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

If you find the information on this page useful, please feel free to link to this page.


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

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