There are 5 other file types using
the DDT file extension!
.ddt - Jill of the Jungle game data
.ddt - Football Manager player club and nations file
.ddt - Diagram Designer template
.ddt - Linux configuration data
.ddt - Adobe Bridge file
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What is ddt file? How to open ddt files?
The DDT file extension is used by WinSQL date diff template file.
The default software associated to open ddt file:
WinSQL 
Company or developer:
SYNAMETIRCS
WinSQL is universal database management tool that is able to administrative SQL databases, importing/exporting data, generating test data, reverse engineering an existing database, comparing schema and data between databases or simply running SQL queries.
Help how to open:
Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.
For general information try to look at:
Identifying unknown file formats
How to convert:
Due the variability and uncertainty of this file type group, there is no general information available, about how to convert this various data file format. However most files with extension from this group are usually not in formats, which can be converted. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.
List of recommended software applications associated to the .ddt 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 ddt file, edit ddt file, convert ddt file, view ddt file, play ddt file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with ddt file - WinSQL date diff template file
Click on the software link for more information about WinSQL. WinSQL uses ddt 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.).
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