DII file format description

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

2 filename extension(s) found in our database.

.dii - AD Summation iBlaze Data

The DII data files are related to AD Summation iBlaze. The DII file is an AD Summation iBlaze Data. AD Summation iBlaze is a litigation support software (electronic case manager).

AD Summation iBlaze
Data files
- / -
AD Summation iBlaze Data related extensions:
RM Number Magic Document
FlashGet Unfinished File
Tekla Numbering Database
Deep Exploration 3D Data
Adobe PageMaker Colorsync Component Data
ACDSee Canvas Custom Set

.dii - TrialDirector Load Data

The DII data files are related to TrialDirector. The DII file is a TrialDirector Load Data. TrialDirector is a presentation software program made by inData Corporation specifically for attorneys to present evidence in trials, mediations, and arbitrations.

Data files
- / -
TrialDirector Load Data related extensions:
TrialDirector Clip Script
TrialDirector Input Data
TrialDirector Case Data
TrialDirector Concordance Data
TrialDirector Concordance Database
TrialDirector Load Data

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

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

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

cii, di, dik, dil, dio, dli, doi, idi, ii, sii, vii, wii

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

BiRT Data Object Instance
DesignComposer Presentation Input Script
Virtual CD Image
I-DEAS Document
WordExpress DIL Data
Scrambled Wii Disc Image

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, 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 .dii file format, then write to us!

DataTypes.net >> DII file