Files with def extension are used by Data Entry & Review Module utility. 

There are 5 other file types using
the DEF file extension!

empty icon.def - Definition data

empty icon.def - NovaLogic game weapon profile

empty icon.def - ESwin wizard file

empty icon.def - id Tech 6 video settings

empty icon.def - IOBit Malware Fighter definitions

DEF file extension - Data Entry/Review Module file

What is def file? How to open def files?

File type specification:

Various data file type icon Various data file type

The def file extension is associated with the Data Entry & Review Module application that helps users to automate the flow of data. The .def file contains various data used for internal purposes of the Data Entry/Review Module application.

The default software associated to open def file:

DATAIR Employee Benefit Systems, Inc. logoData Entry & Review Module  Microsoft Windows software

Company or developer:
DATAIR Employee Benefit Systems, Inc.

With DATAIR's DATA ENTRY, you have the ability to eliminate the paper chase and allow the plan sponsor to enter the data on electronic forms (screens) at the employer's location. The employer verifies the accuracy of the data provided and either sends you a diskette with the data or transfers it to you via modem.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .def file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .def file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open def file, edit def file, convert def file, view def file, play def file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with def file - Data Entry/Review Module file

Click on the software link for more information about Data Entry & Review Module. Data Entry & Review Module uses def file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Previous file extension
DEEJAM file extension

File-Extensions.org > Various data file types

Next file extension
file extension DEF

 

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed